Question 6(Multiple Choice Worth 3 points)
(02.01 MC)
What is the landform in the image
Dune
Hill
Plateau
River
Answer:
C (Plateau) :)
Explanation:
Because a plateau is an area of relatively level high ground. so that means the answer is plateau!
What is a diaphragm? What does it do?
The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.
Explanation:
Diaphragm contracts and expands when you breathe air
Answer:
A diaphragm on a microscope is the piece that enables the user to adjust the amount of light that is focused under the specimen being observed. A diaphragm is typically found on higher-power microscopes versus less expensive or toy models. The diaphragm is located directly under the stage or platform where user places the specimen or slide.
Explanation:
And done! :)))))))))
Steps of Cellular Respiration:
___ Carbon dioxide molecules form.
___ Sugar molecules are broken down.
___ A flow of electrons produces chemical energy and water.
so the first one is sugar molecules are broken down then it's carbon dioxide molecules form then a flow of electrons produces chemical energy water
How many atoms doesCo(NO3)2 have
What two gases in the atmosphere do animals and plants need to breathe and grow?
Answer: Plants and animals make the gases that the other needs to live. Plants need carbon dioxide and animals exhale carbon dioxide as a waste product. People and other animals need oxygen and plants produce oxygen during photosynthesis.
The chemical symbol for sulfuric acid is H2SO4. How many atoms are contained in each molecule of sulfuric acid?
a.
3
c.
6
b.
5
d.
7
Heather is investigating the properties of light and how it travels. She places a glass on the windowsill and waits for the sun to shine on the glass and observes what happens. Next, she places a piece of cardboard in front of the glass. Which statement describes the results of her observations?
A Since glass is translucent, most of the light energy was reflected from the glass.
B When the cardboard was placed in front of it, the cardboard absorbed some of the light energy.
C The light from the sun was able to travel through the glass. When the cardboard was placed in front of the glass, it absorbed the light energy from the sun and converted it into heat energy.
D The glass absorbed the light and converted the light energy into heat energy. When the cardboard was placed in front of the glass, the heat was transferred from the glass to the cardboard.
When the sun hit the glass, the light energy was absorbed. When the cardboard was placed in front of the glass, it absorbed the light energy from the sun and converted it into heat energy.
Answer:
nope it is not c
Explanation:
What type of energy transformation is happening?
a boy sliding his foot across the floor
A Electrical energy is created by friction when his foot slides across the floor.
B The mechanical energy of his foot moving across the floor is transformed into chemical energy.
C When his foot is sliding across the floor, it creates heat energy through friction.
D When his foot rubs against the floor, the energy of motion changes into light energy.
I will brainly
And 5 star rate....!!!
Answer:
disagree
lavoisers law of masses
How many atoms are in (NH4)2SO4
Answer:
15
Explanation:
1N
4H
2S
(2*4=8)O
I need help assappp
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Please help me out!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
22 grams, 5 x 3 x 1 = 15 / volume. mass (330) ÷ 15 (volume) = 22 grams (density)
Answer:
22g
Explanation:
You can use the formula to get density but to get there you need to know volume. Volume is length x width x height. V= 3x5x1. Volume is 15. Then you take your mass and divide it by volume to find density. D= 330/15. The density is 22g.
What are some ways your body regulates the increase of body temperature that also occurs when exercising?
Answer:
Doing push-ups
Explanation:
When you workout you get hot so the tempeture of ur body increase.
Some ways by which your body regulates the increase of body temperature that also occurs when exercising are evaporation of sweat and skin blood flow.
What is effect of exercising on body temperature?
Our muscles quickly deplete stored energy when you start exercising. To make more energy, muscles combine oxygen with adenosine triphosphate or ATP. This process creates heat energy as a byproduct. Muscles generate the most heat because they produce so much energy.
Extra heat raises your body temperature, so your body needs to eliminate heat as quickly as possible.
Therefore, some ways by which your body regulates the increase of body temperature that also occurs when exercising are evaporation of sweat and skin blood flow.
Learn more about exercising, here:
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Photosynthesis occurs. How do plants get the carbon dioxide they need for photosynthesis?
What is the difference between force and velocity?
Answer:
A force pushes or pulls on an object, but velocity is simply something an object has
Explanation:
Use the terms carbon dioxide, nitrates, phosphates, sulfates, and water to complete the chart that describes the inorganic compounds that provide most of the main elements of life to plants.
Answer: hi imi i new
Explanation:
What are elements and how do they differ?
Answer:
Explanation:
Compound
A compound contains atoms of different elements chemically combined together in a fixed ratio.
Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds. They contain only one type of molecule. Elements that compose the compound are chemically combined.
A compound can be separated into simpler substances by chemical methods/reactions.
A huge, virtually limitless, number of chemical compounds can be created. Compounds are classified into molecular compounds, ionic compounds, intermetallic compounds and complexes.
A compound is represented using its chemical formula that represents the symbols of its constituent elements and the number of atoms of each element in one molecule of the compound
Element
An element is a pure chemical substance made of same type of atom.
Elements contain only one type of atom. Each atom has the same atomic number i.e., the same number of protons in their nucleus.
Elements cannot be broken down into simpler substances by chemical reactions.
There are about 117 elements that have been observed. Can be classified as metal, non-metal or metalloid.
An element is represented using symbols.
Answer:
element is defined as ONE substance. it's a pure substance and contains only oNE type of atom
I have 7 more questions left :’)
Which of the following descriptions matches the motion shown in the graph.
A person leaves home and slows down for a pedestrian.
A person leaves home, picks up speed, and then stops at a red light.
A person is parked at parking lot and then speeds off.
A person walks down the block at a steady speed.
If I already asked this but please help ;v;
Answer:
A person leaves home, picks up speed, and then stops at a red light.
Explanation:
Match the terms
1.the total energy of any closed system, including all internal kinetic and potential energy of the system
2.a measure of the average kinetic energy of particles in an object
3.something that flows into a substance
Terms-
Temperature
Heat
Thermal Energy
Answer:
1-thermal energy, 2-tempurature, 3-heat
Explanation:
The correct match of the terms and their definitions are:
1. Thermal energy – the total energy of any closed system, including all internal kinetic and potential energy of the system.
2. Temperature – a measure of the average kinetic energy of particles in an object
3. Heat – something that flows into a substance
What is thermal energy?Thermal energy is the energy that is formed by heat. It is produced when the temperature of a body increases. This cause the molecules and atoms to run or move fast or collide with each other.
Heat is a form of energy that is produced when the temperature of a substance increases. Heat, thermal energy, and temperature are interconnected to each other.
When the temperature rises, the heat or thermal energy in the body increase, which cause the movement of atoms faster, and the atoms collide with each other.
Thus, the correct match is 1- thermal energy, 2- temperature, and 3- heat.
To learn more about thermal energy, refer to the link:
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One atom of carbon _____.
has four electron shells
is part of all inorganic compounds
forms a special shape called a tetrahedron
can bond with up to four other atoms
Answer:
One atom of carbon:
does not has four electron shells
cannot form a special shape called a tetrahedron
is not part of all inorganic compounds
so only right ans left: can bond with up to four other atoms
Organisms on earth are
what-based life forms
oxygen
hydrogen
carbon
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Convection is a process in which the heat from one part of a fluid ( which can either be a liquid or a gas ) moves to its other parts .
When a log burns in a fire, a a physical change has occurred. b mass is gained. c new substances are formed.
Answer: technically it is chemical and physical change
Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes
Answer:
C! New substances are formed.
Explanation:
The burning log will release carbon dioxide, which is a new substance that was never there in the first place.
Compound: ________________
. Found in soil; contains hydrogen (H) and oxygen (O)
Answer:
hydrogen im doing the same thing but diffrent
Explanation:
Why is rain likely when warm, moisture-laden air meets cold air? A) The lighter warm air will rise and cool down, causing condensation and rain. B) The cold air moves faster and pushes the warm air away, causing condensation and rain. Eliminate C) The moisture in the warm air condenses on contact with the cold air, causing rain to fall. D) The cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answer:
B) The cold air moves faster and pushes the warm air away, causing condensation and rain.
Which oneeeeeeeeeeeee
Answer:
Agree
Explanation:
This is what I found.
Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.
Hope this helps.
Answer:
Air is actually a collection of very small molecules; oxygen gas and nitrogen gas are molecules made from two atoms each. Only the noble gases readily exist as single atoms.
Explanation:
I hope this helps. I'm not sure because it would depend on the gas. But I would go with disagree personally.
What harmful rays does the atmosphere block?
ANSWER: UV rays from the sun.
The Ozone layer blocks those rays.
Hope this helps!
Answer: UV-C and UV-B are harmful rays the atmosphere blocks
Compound: ________________
. Found in saltpeter in soil; contain nitrogen (N)
Answer:
Potassium nitrate or KNO3
Explanation: