free points hehehe
Explanation:
nshvbs7 susans shsbbsbs she s s s
How does removing the "overburden" during coal extraction affect the environment?
Answer: Strip mining eliminates existing vegetation and alters the soil profile, or the natural soil layers.
Explanation:
Mining disturbs and may even destroy the beneficial micro-organisms in the topsoil. Soil also may be damaged if reclamation operations mix the topsoil with subsoils, diluting matter in the surface soil.
what is the importance of solution
Answer:
Solutions play a very important role in many biological, laboratory, and industrial applications of chemistry. Of particular importance are solutions involving substances dissolved in water, or aqueous solutions.
Explanation:
What is the substrate of enzyme 2?
What is the substrate of enzyme 3?
What is the product catalyzed by enzyme 1?
What is the starting reactant for enzyme 3? Blank 4
Answer:
anwer is down
Explanation:
A substrate is a molecule that an enzyme reacts with. The enzyme's active site, or the location where weak bonds between the two molecules can form, is loaded with a substrate. An enzyme substrate complex is formed, and the enzyme's pressures on the substrate drive it to react and become the planned reaction's result.
In a site that contains multiple domain controllers, how long will a domain controller wait after notifying its first replication partner before sending the change notification to its next replication partner?
Answer:
3 seconds
Explanation:
3 seconds
In this kind of a situation where there exists multiple replica domain controllers that are present in the site, then the source domain controller being the one, will have to wait three seconds after issuing the first change notification. Thereafter, it then sends a change notification to the next domain controller.
One immediate cause of a decrease in the rate of photosynthesis is a reduction in the availability of
A carbon dioxide
B.
carbon monoxide
Chydrogen
D. nitrogen
Answer:
A Carbon Dioxide
Explanation:
If CO2 is not availabe photosynthesis will not take place.
Hydrogen, Nitrong and CO(carbon monoxide) are not needed at all for photosynthesis
Which part of the body carries out the function of copying DNA? There’s two options, heart or cells?
Answer:
cells
Explanation:
That is one of many of the cells functions.
I need help does anybody knows the answer
HELP EXTRA POITNS BRAINLIEST !!!
A group of students wants to build a ramp to move boxes from the floor up to a stage. How can the students reduce the amount of effort needed to push the boxes up the ramp?
Question 8 options:
by making the ramp as long as possible
by making the ramp’s height and length equal
by building the ramp out of a lightweight material
by covering the ramp’s surface with a soft rubber mat
If students wants to reduce the amount of effort needed to push the boxes up the ramp, it is possible by making the ramp’s height and length equal, hence option 2 is correct.
Why does it take more force to move a heavy box up a ramp?If students moves a heavy box up a ramp, there is so much friction on the undersurface of the box when going up a ramp.
To reduce the amount of effort needed to push the boxes up the ramp by making the ramp’s height and length equal, in second option by making the ramp as long as possible needs more effort.
In the fourth option, by covering the ramp’s surface with a soft rubber mat, make it harder to slide up boxes.
Therefore, by making the ramp’s height and length equal, it is easier to reduce the amount of effort.
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Select the correct answer. A physician examines a patient who complains of breathing problems. She finds fluctuations in the patient's blood pressure and heart rate. The physician thinks it's because of a brain Injury. Which part of the brain is affected?
Answer:
Medulla oblongta
Explanation:
PLZZZ HELP IMPORTANT
Match each type of mutation with the correct chemical sequence for A-C-G-T.
1. A-C-G-G-T
deletion
2. C-G-T
reordering
3. A-G-C-T
duplication
Answer: 1. A-C-G-G-T is Duplication.
2. C-G-T is Deletion.
3. A-G-C-T is Reordering.
i try
Latitudinal differences in surface warming give rise to global patterns of air circulation and rainfall. At the equator and the latitudes of 60 degrees ____. At the poles and the latitudes of 30 degrees _____.
A.cold, dry air sinks; warm, moist air rises and loses moisture as rain
B.warm, moist air rises and loses moisture as rain; cold, dry air sinks
Answer:
the answer is on letter A
Explanation:
Like
The three-field system:_________
a. allowed animals to graze on two-thirds of the land.
b. was replaced with the two-field system.
c. allowed for increased production by reducing the amount of land that was left fallow.
d. made its biggest impact in southern Europe.
what is the domain containing all organisms with eukaryotic cells
Answer:
Domain Eukarya
Explanation:
There are only three domains; the Archaea, Eukarya, and Bacteria. Domain Eukarya came from the first prokaryotic cells billions of years ago.
please help me
thank
Answer:
You got the answer
Then okay
Why is difficult to make a list of characteristics of life
Answer:
"Being alive" is the most important characteristic of life. According to science the answer is different. Biology is the branch of science deals with the study of life and living matter in all its forms and phenomena.
Explanation:
Its difficult because sometimes beings can easily be side tracked
i think some of y'all know this so pls help me to answer this i don't have any stock knowledge
I took a photo 'cuz they said there's forbidden messesage
Iron-rich minerals in rock pointed in one direction and then switched to the exact opposite direction. This supports what idea?
A.The rocks were being turned around.
B. Earth's magnetic field stopped working entirely.
C. Earth's magnetic field goes through pole reversals.
D. Being underwater makes the rocks respond to magnetic fields.
5. When a hawk eats a mouse and then uses the energy from the mouse to fly,
the hawk's body converts — *
A. mechanical energy to chemical energy
B. thermal energy to mechanical energy
C. chemical energy to mechanical energy
D. mechanical energy to thermal energy
Answer:
Chemical To Mechanical
Explanation:
The Chemical energy fueled the hawk and the hawk used that energy to fly, basically like a car needs gasoline to move
The hawk body should be converted to the chemical energy to mechanical energy.
Conversion of energy:Since the hawk ate the mouse and after this it used the energy from the mouse to fly. Since food should be treated as the chemical source while the hawk flying should be treated as the mechanical source. Also, the chemical energy should fuel the hawk and the hawk should used the energy to fly where the car required gasoline for movement.
Therefore, option c is correct.
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Which of the following is not an example of discontinuous variation?
attachment of ear lobes
height
blood type
biological sex
Four students collected data for the average resting heart rates of 100 people. "Bpm” stands for "beats per minute.”
They then compared their data to the national average, which was 70 bpm.
Alma Patti Chase Mikayla
71 bpm 69 bpm 72 bpm 110 bpm
Which results are the least likely to be reproducible?
Alma
Patti
Chase
Mikayla
Answer:
110 bpm as that is a large outlier which is very uncommon whereas the other choices are very common in regards to bpm.
Explanation:
pls help. A chicken protects their chicks by?
Answer:
yeah they sit on them to 1 keep them warm and two protection
FIRST ANSWER BRAINLIEST!! BIOLiOGY!! IF RIGHT!!
Mary's husband dies from war-related injuries. Which insurance plan probably covers Mary and her son?
Answer:
life insurance
Explanation:
he died, so the insurance pays for some of the funeral depending on what insurance company and money goes to the family
In a histology lab a scientist observes the following features under the microscope. Which of these
observations supports cell theory?
I. Cardiac cells are joined by gap junctions and contain three nuclei.
II. Mature platelet cells do not contain a nucleus, but do contain mitochondria.
III. Spermatogonia undergoing mitosis.
IV. The bulk of tissue samples from endocrine glands contain cells as their main building blocks.
option III and IV supports cell theory.
The three essential concepts of cell theory are that: 1. cells are the fundamental building block of life; 2. living creatures consist of one or more cells; and 3. cells originate from preexisting cells.
Hint #2 2 / 4
In cell theory, the quantity of nuclei is not taken into account.
Hint #3 3 / 4
A new cell is produced during the process of cell division known as mitosis. This idea—that cells form from already-existing cells—is exact.
Hint #4 4 / 4
III and IV are both illustrations of cell theory in the actual world. Mitosis, which is the process by which preexisting cells divide to form new ones, demonstrates how cells make up living things, as does the cellular makeup of glands.
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PLEASE HELP MARKING PEOPLE AS BRAINLIST ALL DAY
Nitrogen fixation is carried out primarily by ________ with legume plants in root nodules . who live in a symbiotic relationship
A:humans
B:plants
C:bacteria
D:consumer
Answer:
Letter c po sagot
Explanation:
you welcom
Answer:
C
Explanation:
Bacteria can live in a symbiotic relationship
The recombination frequency between linked genes A and B is 40%, between B and C is 20%, between C and D is 10%, between C and A is 20%, and between D and B is 10%. What is the sequence of the genes on the chromosome?
Answer:
ACDB (or BDCA)
Explanation:
The linked genes A and B have a greater frequency of recombination (40%) and therefore they are found furthest away on the chromosome. Conversely, the smaller distance is between D and B, which exhibit a lower frequency of recombination (10%), while C is localized at the same physical distance of both A and B (20%), so the physical map is ACDB.
Physical map:
A--------C-----D-----B
[ 20 ][ 10 ][ 10 ]
The sequence of the genes on the chromosome is ACDB (or BDCA).
The linked genes A and B have a greater frequency of recombination (40%) and therefore they are found furthest away on the chromosome. Conversely, the smaller distance is between D and B, which exhibit a lower frequency of recombination (10%), while C is localized at the same physical distance of both A and B (20%), so the physical map is ACDB.Physical map:
A physical map of a chromosome or a genome that shows the physical locations of genes and other DNA sequences of interest.
It can be represented as:
A--------C-----D-----B
[ 20 ][ 10 ][ 10 ]
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HELP PPLZ. During the nitrogen cyclo, plants take in nitrogen compounds through their ___?
Answer:
Root nodules is the correct answer of this question.
Explanation:
Root nodules and nitrogen is absorbed by soil which is then absorbed by plants roots
Nitrogen is a central component of living organisms ' bodies. All proteins contain nitrogen atoms, and \text{DNA}DNA start text, D, N, A, end text.
Root nodules are located at plant roots, mainly legumes, which form a symbiosis of nitrogen-fixing bacteria.
Plants take a nitrogen compounds through root nodules.
While some mutations can benefit an organism, others are harmful and can lead to cancer. Which of the following best describes how mutations can cause cancer in an organism?
O Cell division becomes uncontrolled when mutations occur in genes that regulate cell division.
O Cells with mutations outnumber and consume normal cells that do not have mutations,
O A mutation can attack a cell's DNA and cause an autoimmune response in the cells.
+
O Mutations cause cells to become unable to divide and the cells die in masses, forming tumors.
Answer:
Cell division becomes uncontrolled when mutations occur in genes that regulate cell division.
Explanation:
Answer:
The answer is "A."
Explanation:
Cancer develops when the cells in the body are constantly dividing uncontrollably. In humans, cancer is often the result of a negative mutation genetically. The other answers are wrong and do not match the way cancer forms. So, A will be your answer.
Organisms that have very different taxonomies (e.g. are from different families) but look very similar represent an example of
Exp
The mathematical formula for calculating the kinetic energy of
an object is not applicable for a gas molecule banging around
in a bottle.
Answer:False
Explanation: