8
How does a material's density relate to functionality?
Density relates to weight, which adds functionality.
Less density adds more flexibility in product function.
OC. Density determines the economics of a project.
OD. Density relates to weight, which impacts functionality.
O A.
O B.
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give two differences between mixed cropping and mixed farming
Answer:
mixed farming is the act of rearing farming animals and planting of crops
mixed cropping is planting of different crops
Answer:
Mixed farming is where crops and animals are grown and kept on the same piece of land at the same time. Mixed cropping is where a farmer has different crops on the land to make the most use of the soil resources.
Explanation:
Juan wants to jump in and clarify when he occasionally hears statements about Stone Age humans, such as they “discovered fire” or “found tools.” He thinks comments like these are oversimplified. What is the MOST likely reason Juan feels the comments are oversimplified?
A.
Fire is a natural element, but tools definitely are not.
B.
Culture then was so basic that these discoveries were revolutionary.
C.
Any true discovery marks an important milestone in human history.
D.
They did not discover or find, they applied natural elements to their use.
Juan feels the comments are oversimplified as culture then was so basic that these discoveries were revolutionary. The correct option is B.
What is stone age?The Stone Age was a prehistoric period when stone was widely used to make tools with an edge, a point, or a percussion surface.
The period lasted approximately 3.4 million years and ended between 4,000 and 2,000 BCE, with the introduction of metalworking.
They also lit fires with stones. The earliest known human tools are these stone tools.
Juan believes the comments are oversimplified because culture was so primitive at the time that these discoveries were revolutionary.
Thus, the correct option is B.
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A(n) _____ surface in an orthographic view shows the actual surface with
its depth contracted.
A Right View surface in an orthographic view shows the actual surface with its depth contracted.
What does an orthographic view imply?The term is seen as a form of a projection of a single view of an object (such a frontal view) onto a drawing surface with the projection lines parallel to the drawing surface.
Note therefore that drawing a 3D object from various angles is called orthographic projection. In order for someone viewing the drawing to be able to see all the key sides, often a front, side, as well as the plan view are sketched.
Therefore, A Right View surface in an orthographic view shows the actual surface with its depth contracted.
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17. You can place frame-engaging lift adapters anywhere under the vehicle's body, frame, or suspension.
A) O True
B) False
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You can place frame-engaging lift adapters anywhere under the vehicle's body, frame, or suspension is a true statement.
What are frame engaging lift adapters?Frame engaging adapters are known to be a kind of tools that are often used for lifting vehicles for examples pickup trucks that are known to have frames.
Note that Frame form of engaging lift adapters is one that a person can put anywhere that is under the vehicle's underbody as there is no need to consult the vehicle manufacturer's manual.
Therefore, based on the above, one can say that a person can place frame-engaging lift adapters anywhere under the vehicle's body, frame, or suspension as a true statement.
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alice thought of a number, added 9, divided by 3, subtracted 2, and multiplied by 4 to give an answer of 8. what was her starting number
Answer:
3
Explanation:
3+9=12
12÷3=4
4-2=2
2×4=8
The starting number was 3 which Alice thought of as a number, added 9, divided by 3, subtracted 2, and multiplied by 4 to give an answer of 8.
What is the number system?A number system is defined as a way to represent numbers on the number line using a set of symbols and approaches. These symbols, which are known as digits, are numbered 0 through 9.
Let the starting number would be x
As per the given question,
She did was 4[(x+9)/3 - 2] = 8 which is an equation that we can solve for x,
⇒ 4[(x+9)/3 - 2] = 8
⇒ [(x+9)/3 - 2] = 8/4
⇒ (x+9)/3 - 2 = 2
⇒ (x+9)/3 = 2 + 2
⇒ (x+9)/3 = 4
⇒ (x+9) = 12
⇒ x = 12 - 9
⇒ x = 3
Therefore, the starting number was 3.
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Most hazardous waste can be disposed of in a landfill.
Most hazardous waste can be disposed of in a landfill: B) False.
What is EPA?EPA is an abbreviation for Environmental Protection Agency and it can be defined as an agency of the federal government which was established by the United States Congress under the Environmental Protection Act of 1970.
The main purpose of the Environmental Protection Agency (EPA) is to oversee the regulation of pollution, pesticide use, environmental clean up, toxic chemical compounds, hazardous waste spills, automobile emissions, contamination, and environmental compliance by industries and individuals.
According to the Environmental Protection Agency (EPA), most hazardous waste should not be disposed of in a landfill because they can be recycled safely and effectively.
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Complete Question:
Most hazardous waste can be disposed of in a landfill. A) True B) False
Question 1: Gina will be using a scissor lift in a warehouse to replace parts of the overhead sprinkler system. What should Gina do to keep herself safe while working on the lift?
In order to keep herself safe, Gina must have guardrails installed on the scissor lift to prevent her from falling.
What are guardrails?Guardrails can be defined as a type of rail that is designed and developed to guide and protect employees who are exposed to waterside edges, floor, or wall openings such as:
Overhead sprinkler system. BridgesOpen pitsGangway-like structuresVatsPotholesScaffoldsAccording to the Occupational Safety and Health Administration (29 CFR 1926.451(g) or 29 CFR 1910.29(a)(3)(vii)), a worker must have guardrails installed on the scissor lift to prevent him or her from falling.
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Which hazard is common in the air transport and aviation industry?
OA. slips and trips
OB. falls from height
OC. musculoskeletal disorders
O D.
falls from vehicles
Answer: C is the correct answer or i think
Explation:
Soft skills are: A) The technical skills you learned in your school shopB) Personal qualities, habits, attitudes, and social graces that make up a personC) HereditaryD) The ability to work with your hands
The soft skills are personal qualities, habits, attitudes, and social graces that make up a person. The correct option is B.
What are soft skills?Soft skills, also known as power skills, common skills, or core skills, are transferable skills that can be used in any profession.
Critical thinking, problem solving, public speaking, professional writing, teamwork, digital literacy, leadership, professional attitude, work ethic, career management, and intercultural fluency are examples of these.
Hard skills, on the other hand, are specific to individual professions.
Thus, the correct option is B.
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What type of energy transfers could occur in Biosphere 2?
Answer:
Biosphere 2 is a 3.15-acre (12,700 m2) structure originally built to be an artificial, materially-closed ecological system in Oracle, Arizona (USA) by Space Biosphere Ventures, a joint venture whose principal officers were John P. Allen, inventor and Executive Director, and Margret Augustine, CEO.
Explanation:
Which of the following would promote the isostatic adjustment of the crust resulting in the uplift of some mountains and possibly the formation of new fault lines?
Weight is a factor that would be known to promote the isostatic adjustment of the crust resulting in the uplift of some mountains and possibly the formation of new fault lines.
What is meant by isostatic adjustment?This is the term that is used in geography to refer to the ongoing movement of land that once used to be covered by the ice age glaciers.
The isostatic adjustment is known to be the function of the amount of weight that is on the surface of the earth. Now when the weight is less, the crust of the earth would have to rise the more but when it is more, the crust would start to sink.
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2. Convert 786.3 m to km.
3. Convert 40 km/hr to mph.
Answer:
2. 0.7863 km
3. 24.855 mph
Explanation:
2. [tex]786.3m*\frac{1km}{1000m}=0.7863km[/tex]
3. [tex]\frac{40km}{hr}*\frac{1000m}{1km}*\frac{100cm}{1m}*\frac{1in}{2.54cm}*\frac{1ft}{12in}*\frac{1mi}{5280ft}=24.855mph[/tex]
Which hazard control class is used along with other controls to protect workers as much as possible from hazards that cannot be eliminated? A. Personal Hygiene B. Engineering Controls C. Administrative Controls D. Personal Protective Equipment
The hazard control class which is used along with other controls to protect workers as much as possible from hazards that cannot be eliminated is the Administrative Controls. Thus, the correct option for this question is C.
What are the other classes of hazard control?The other classes of hazard control are as follows:
Elimination control.Substitution control.Engineering Controls.Administrative Controls.The elimination control physically eliminates the hazard. While substitution control replaces the hazard from one form to another. But the administrative control alters the way through which people work along with other controls.
Therefore, administrative control is hazard control which is significantly utilized along with other controls to protect workers as much as possible from hazards that cannot be eliminated. Thus, the correct option for this question is C.
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is it necessary to check on the condition of your tools.
Answer:
yes because then you know wether or not to start prparing for your next tools that you need to get
The domain of genetic engineering
(Hurry) A computer software engineer needs to create a computer system. The computer system will help the staff of a retail store manage inventory. Write a description of the process the computer software engineer will go through to design and create the computer system.
The process the computer software engineer will go through to design and create the computer system are:
Initialize design definitionSet up design characteristicsAssess other forms of alternatives for obtaining system elementsLastly, Manage the design.How do one Initialize design definition?In this process, one need to plan for as well as be able to know the technologies that will be made up of and implement the systems elements as well as their physical interfaces and others.
Therefore, The process the computer software engineer will go through to design and create the computer system are:
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7
Electrotechnology is important to aerospace engineering for what key reason?
is a timing belts more like a belt and pulley or chain and sprocket
Answer:
A timing belt is more like a sprocket and chain system because they have teeth that engage with notches in the pulleys on the crank and camshaft.
Explanation:
How have scientists added features to improve how automatic transmissions work?
The ways that scientists have added features to improve how automatic transmissions work is that they have made more :
Gear ratiosLock-up torque converters Electronic controls, etc.When did automatic transmissions become good?Right from the 1980s on, as at the time the use of automatic transmissions became more popular in the US, a lot of people were known to have taken or selected the easy road if they are getting behind the wheel.
All of this actions when compiled together implies that most Americans, do choose any form of automatic car
Therefore, The ways that scientists have added features to improve how automatic transmissions work is that they have made more :
Gear ratiosLock-up torque converters Electronic controls, etc.Learn more about automatic transmissions from
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Which of the following is NOT a long-term effect of radiation?
A) CataractsB) Heart/kidney issuesC) CancerD) Eye injuries
The one that is not a long term effect of radiation is eye injury. The correct option is D.
What are consequences of radiation?Radiation can cause DNA damage in our cells. High radiation doses can result in Acute Radiation Syndrome (ARS) or Cutaneous Radiation Injuries (CRI). High radiation doses may also cause cancer later in life.
Excessive radiation exposure, such as being near an atomic blast, can result in acute health effects such as skin burns and acute radiation syndrome.
It can also have long-term health consequences like cancer and cardiovascular disease.
All other options including cataracts, heart or kidney diseases, cancer, etc. are long term effects and eye injury is not among them.
Thus, the correct option is D.
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What can fly without wings
Answer:
Time can fly without wings
Explanation:
Which of the following is a contract, an insurance policy or a repair order
Based on the options given, the one that is an example of a contract is option B) A repair order.
What is repair order?
A repair order is a request for services or labor that is completed by a third party vendor, who will then send you an invoice.
This is often done if an asset breaks, is damaged, or ceases to function, repairs are restorative work that must be done. Routine tasks and/or corrective or preventive repairs performed on assets to avoid damage and extend the life expectancy are referred to as maintenance.
Therefore, Based on the options given, the one that is an example of a contract is option B) A repair order.
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Which of the following is a contract?
A) An insurance policy
B) A repair order
C) Both of the above
D) None of the above
What are primary reasons for being trained on cleaning, storage, and maintenance of tools and equipment?
O Work safer
O Save money on tools
O Work more efficiently
O All of the above
A motor and pulley system is used to lift a 30 kg mass 20 m vertically in no more than 10 s. If the efficiency of the motor is 0.98, the minimum input power is ____ W.
The power input is obtained as 6000 W
What is the power input?
We know that the power is defined as the rate of doing work. The rate has to do with the timed rate thus if we divide the work done by the time taken to do the work, that is how we obtain the the power that is expended.
Now;
We have the work done as = 30 kg * 9.8 m/s^2 * 20 m = 5880 J
Energy expended = 5880 J/ 10 s = 588 W
We know that the efficiency is obtained from;
E = Power output/ Power input * 100/1
0.98 = 588 W/ Power input * 100/1
0.98 = 58800/Power input
Power input = 58800/0.98
Power input =6000 W
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A good scientific question
is specifically focused and tries to answer something unknown.
is generally focused and tries to answer a gap in knowledge.
always has a gap in knowledge.
always leads to a hypothesis.
Answer:
is generally focused and tries to answer a gap in knowledge
Explanation:
just took test review