Answers
Answer:
water
Explanation:
Answer:
Water
Explanation:
Most of the Earth is covered with water, so water is the substance.(H20)
Related Questions
Please helpp!!!!!!!!
If the pattern of ions shown here for galena is expanded in every direction, how many sulfide ions would surround each lead ion? How many lead ions would surround each sulfide ion?
Answers
Answer:
the answer is the earths crust because those are the icons surrounded each sulfide.
Explanation:
hope this helps!!! i love science/cemistry
A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly.
What was the dependent (outcome) variable from this experiment?
The paper airplane design.
The number of paperclips.
The type of paper.
The distance the plane flies.
Answers
Answer:
The distance the plane flies.
Explanation:
This is the dependent (outcome) variable because it is changing depending on the number of paper clips that are added to the plane.
Answer:
The distance the plane flies.
Explanation:
In guinea pigs, black fur is the dominant trait. If a white guinea pig mates with a guinea pig that is heterozygous for its black fur, which combination of offspring best represents the likely outcome from the cross?
A.
19 black fur, 1 white fur
B.
1 black fur, 20 white fur
C.
16 black fur, 4 white fur
D.
11 black fur, 9 white fur
Answers
What is the difference between a chemical change and a physical change?
A. A physical change forms a new substance with different properties. While in a chemical change, the materials remain the same.
B. A chemical change forms a new substance with different properties. While in a physical change, the molecules remain the same.
C. A chemical change forms a different shape, such as by bending, folding, or melting, but does not form a new substance with different properties.
Answers
Answer:
A
Explanation:
because chemical change is permanet.
what makes a butterflyfish a chordate
Answers
Is there a relationship between cohesion and volume?
Answers
Which type of graph would best represent data from this experiment: What percentage of students at Lincoln Center Elementary like red, blue, green or yellow best? Question 3 options: A. Circle graph B. Bar graph C. Line graph
Answers
Answer:
The answer is bar graph
Please answer all these questions!!
Answers
Answer:
The FIRST ONE is
(D. Convection
The SECOND ONE is
(D. Atoms and Molecules are always in motion
2A
3D.
Answers for these
Write a description that explains how the digestive, circulatory, and excretory systems WORK TOGETHER in order to deliver very important materials to the cells and dispose of waste products from the cells! Try to include as many details as possible - What is the blood carrying? Where is it going? How does it get there? What does it get rid of and how?
Answers
Answer:
At the end of each organ system you will need to make a summary of that ... So how does the food we eat eventually get to our cells in a small enough form ... The circulatory system is responsible for transporting blood with oxygen (O2) ... the digestive system to the cells in the body and remove waste products to be excreted.
hope this helps!
Answer:
At the end of each organ system you will need to make a summary of that ... So how does the food we eat eventually get to our cells in a small enough form ... The circulatory system is responsible for transporting blood with oxygen (O2) ... the digestive system to the cells in the body and remove waste products to be excreted.
Explanation:
yeet
Help me with this please! Do not say "I don't know" to get my points!!!!!!! It is not helpful and disrespectful. THANKS!
Answers
no- and na- nano5
na- and na+ nana2
hope this helps
Explanation:
What is the charge for a nitrogen ion?
A) 3-
B) 1-
C) 2-
D) 2+
Answers
the first guy is wrong,
Which pair of atoms would be most likely to form a polar covalent molecule?
Hydrogen and Chlorine
Sodium and Chloride
Oxygen and Carbon
Sulfur and Oxygen
Answers
Answer:
oxygen and carbon
Explanation:
Explanation
There is a hurricane affecting the Gulf Coast. Weather or Climate?
Answers
Answer:
weather
Explanation:
Answer:
climate
Explanation:
I think
hope you get it correct!
Look at the image below.
At which location is an earthquake most likely to occur?
A. 1
B. 2
C. 3
D. 4
Answers
What does this illustration tell you about the History of the Periodic Table?
(Brainliest will be given!)
Answers
What is a rule for making a negative ion which has negative charge?
Answers
Answer:
When a neutral atom gains one or more electrons it becomes negative ion also known as anion
For example
Cl+ e- -------> Cl-
O +2e- -------> O2-
Explanation:
The diagram shows a simple model of an event that is part of the rock cycle. image Which type of event is most likely occurring in the diagram?
A. the compacting of layers by high pressure and heat that leads to metamorphic rock
B. the cementing of layers of sediment particles that leads to sedimentary rock
C. the melting of sediment particles that leads to igneous rock
D. the hardening of liquid magma that leads to igneous rock
Answers
Answer: D. the hardening of liquid magma that leads to igneous rock
Explanation:
PLS HELP
Fill in the word that completes each sentence.
In the mitochondrion, small molecules combine with
to produce
and carbon dioxide.
This process releases a large amount of
.
Answers
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!! DUE TOMORROW 40 POINTS!!!!!!!!!!!!!!!!!!
Elements in the same period are similar in that
same number of valence electrons of same number of energy shells
Answers
Answer: I believe this is the answer: The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.
Good luck on assignment! :)
Answer: The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (group one) has one electron in its outer shell.
Explanation: :)
P the foleng stes of digestion hn erder from fret tolast (Organ nome AFE not incuded)
ieginrn
1
utrients ae ssorbed by blood irntiny bloodvessels
Mecanleal digestions sing teeth, and chemieal digestion using sallvs
Mechanical digetion usng orgon walls, nd chemieal digestlon using acids.
4
Waterle remeed fromunsed food, viehhis thencompressed
Ed
Answers
Answer:
Chemical digestion involves the breaking down of food with enzymes; mechanical digestion is breaking down food by chewing and tearing with teeth.
Mechanical digestion means breaking down food mechanically. By chewing and tearing with teeth, food breaks down into smaller parts and no enzymes are used. Chemical digestion means breaking down food in a chemical manner. This is achieved by secreting enzymes, which break down chemical bond between food molecules.
you can write that or
Mechanical digestion prepares food for chemical digestion. It involves the chewing and mixing food with saliva, churning of food in the stomach, segmentation of intestines rhythmic local constrictions of intestine, causes mixing improves absorption. On the other hand chemical digestion breaks down complex food molecules into chemical building blocks, enzymes secreted into alimentary canal lumen.
Explanation:
Describe how an El Niño event affected weather, food production, water supply, or human health.
Answers
Answer:
El Niño is associated with death and disease, most of which result from weather-related disasters such as floods and droughts. In 1997 Central Ecuador and Peru suffered rainfall more than 10 times normal, which caused flooding, extensive erosion and mudslides with loss of lives, destruction of homes and food supplies.
Answer:
Severe drought and associated food insecurity, flooding, rains, and temperature rises due to El Niño are causing a wide range of health problems, including disease outbreaks, malnutrition, heat stress and respiratory diseases.
Explanation:
Help! Quicklyyyy! Easy science thing.
Answers
Answer:
A year too late..
Explanation:
\Which type of graph would best represent data from this experiment: Which sport is most popular? Question 2 options:
A. Bar graph
B. Circle graph
C. Line graph
Answers
Answer:
bar graph and line graph
Which of these is likely to happen in the absence of the troposphere?
A meteorite may strike Earth
Radio and satellite communications would stop
We may not experience storms, winds, and clouds
Cases of sunburns, skin, and eye problems may increase
Answers
The correct answer is: Option C
"We may not experience storms, winds and clouds"
In the planetary boundary layer is where the friction with the earth's surface influences the air flow. This is the lowest part of the troposphere. This troposphere region is where is formed the winds, storms and clouds. Most of the metereological phenomena we associate with the daily metereological weather occurs in the troposphere, that's why its existence to the world is very important.
Explain the factors that determine an object's kinetic energy.
Answers
Answer:
Kinetic energy is the energy of motion. An object that has motion - whether it is vertical or horizontal motion - has kinetic energy. There are many forms of kinetic energy - vibrational (the energy due to vibrational motion), rotational (the energy due to rotational motion), and translational (the energy due to motion from one location to another). To keep matters simple, we will focus upon translational kinetic energy. The amount of translational kinetic energy (from here on, the phrase kinetic energy will refer to translational kinetic energy) that an object has depends upon two variables: the mass (m) of the object and the speed (v) of the object. The following equation is used to represent the kinetic energy (KE) of an object.
KE = 0.5 • m • v2
where m = mass of object
v = speed of object
This equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. For a threefold increase in speed, the kinetic energy will increase by a factor of nine. And for a fourfold increase in speed, the kinetic energy will increase by a factor of sixteen. The kinetic energy is dependent upon the square of the speed. As it is often said, an equation is not merely a recipe for algebraic problem solving, but also a guide to thinking about the relationship between quantities.
Kinetic energy is a scalar quantity; it does not have a direction. Unlike velocity, acceleration, force, and momentum, the kinetic energy of an object is completely described by magnitude alone. Like work and potential energy, the standard metric unit of measurement for kinetic energy is the Joule. As might be implied by the above equation, 1 Joule is equivalent to 1 kg*(m/s)^2.
Explanation:
Answer:
Explanation:
a moving object will have: mass and speed. Have students complete this demonstration to learn how mass influences an object's kinetic energy. 2. Select a light object (such as a pencil) and a heavy object (such as a pack of index cards).
This mountain top is covered with trees. A forestry company wants to remove the trees for lumber.
Which will most likely happen to the rocks on the mountain if the trees are removed?
A. Wind and rain will begin to erode the rocks and the mountain will flatten over time. B. New trees will grow back very quickly and the mountain rocks will not be changed. C. The mountain will quickly become much smaller without the protection of the trees.
D. The mountain will grow as additional sedimentary rocks are formed.
Answers
I think it's A
Explanation:
I don't really got an explanation i just have the feeling
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answers
Help me out? thank you.
Answers
Please help me with this question
Answers
Answer:
B
Explanation:
which ones is right i need help
Answers
Answer:
24+24=48
Explanation: