Earth’s atmosphere contains the element oxygen in two different forms. The chemical formula for oxygen gas is O2. The chemical formula for ozone gas is O3. How does the structure of oxygen gas differ from that of ozone?
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Explanation:
O2 has only 2 owygen molecules. while on the other hand O3 has 3 oxygen molecules
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Which of the following best explains the motion of the box on the table? Image result for image box on a table
A.The box is moving downward because of the force called gravity.
B.The box is moving upward because of the force called gravity.
C.The box is not moving because the table is pushing it upward more than gravity is pulling it downward.
D.The box is not moving because the table is pushing it upward just as much as gravity is pulling it downward
Answer:
A
Explanation: Because gravity brings down things.
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Are ice caps in Greenland are composed of salt water?
Yes or no, and plz explain why.
Answer: fresh water
Explanation: its not cold enough for salt water to melt
Which of the following are isotopes?
Two carbon atoms, one with 6 electrons and one with only 5 electrons.
Two oxygen atoms, one with 6 neutrons and one with 5 neutrons
Two nitrogen atoms, both with 7 protons and 7 neutrons
An oxygen atom with 6 neutrons and a nitrogen atom with 6 neutrons
Answer:
I think it is either B or C for me it was C
Explanation:
What is the rock’s velocity when it reaches the bottom? How do you know?
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Answer:
second answer
Explanation:
The melting point would occur more quickly but stay the same.
So it is answer 2
After Michelle went on vacation for two weeks, she came home to find her potted plants had turned brown and died. The soil was very dry. While Michelle was away, she kept the curtains and windows closed and did not have a neighbor come by to water her plants. Michelle now realizes that she will have to do things differently the next time she is away for several days if she wants to keep her plants alive. Why is it important for Michelle to make sure her plants have their needs meet while she is away?
A.
She needs to make sure the plant receives water, sunlight, and air. Plants need all components to make their own food.
B.
She needs to be sure to put plant food in the pot. Plants need to be feed because they do not make their own food.
C.
She needs to add a lot of water to the pot before leaving. Plants only need moist soil to make their own food.
D.
She needs to keep the curtains open or set the plant outside. Plants only need sunlight to make their own food.
Answer:
A
Explanation:
The explanation lies in the answer. Plants need all components to make their own food.
Answer:
The answer is A
Explanation without one of the components life for the plants are not possible.
A gardener crosses a rose plant with the fewest number of thorns with another rose plant with fewer thorns.
a. gene modification
b. artificial selection
A gardener crosses a rose plant with the fewest number of thorns with another rose plant with fewer thorns. This is called as gene modification.
What is gene modification?Genetic engineering, also called genetic modification or genetic manipulation, is the modification and manipulation of an organism's genes using technology.
Genetic engineering (also called genetic modification) is a process that uses laboratory-based technologies to alter the DNA makeup of an organism. This may involve changing a single base pair (A-T or C-G), deleting a region of DNA or adding a new segment of DNA.
For example, cornstarch can be made with GMO corn and sugar can be made with GMO sugar beets. Corn: Corn is the most commonly grown crop in the United States, and most of it is GMO. Most GMO corn is created to resist insect pests or tolerate herbicides.
Therefore, A gardener crosses a rose plant with the fewest number of thorns with another rose plant with fewer thorns. This is called as gene modification.
Learn more about gene modification, here:
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A cold front forms when
A.
cold air rises and creates a vacuum.
B.
cold air moves under warm air and pushes the warm air upwards.
C.
warm air collides with cold air, but neither has enough energy to move above or below the other.
D.
warm air moves in below existing cold air and pushes the cold air upwards.
Explain how frequency and wavelength are related to the speed of a wave.
Put the words in the correct order to which the energy transfers at Christchurch?
Land/Water/Air
Answer:
water, land, air
Explanation:
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Are these cells animal cells, or are they or plant cells?
Answer:
Plant Cells
Explanation:
They are plant cells because of the rectangular structure. Animal cells look 'uglier'.
Water has a formula of H2O. Based on the formula which is NOT a correct statement?
A. It is an element
B. It is a compound
C. It contains oxygen
D. It contains hydrogen
Answer:
A.water is a molecule
Explanation:
water is a molecule not a element
Please answer the questions. I REALLY NEED HELPPPPPPPPP. LIKE RIGHT NOW.
2. List the following from least complex to most complex.
Bacterial Cell
Multicellular organism
Cell with a nucleus
Answer:
Bacterial cell, cell with a nucleus, multicellular organism
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Answer:
6CO2+6H2O>C6H12O6+6O2
Explanation:
REACTANTS------PRODUCTS
Carbon 6. 6
oxygen. 6×2+6=18. 6+6×2=18
hydrogen 6×2=12. 12
what digestive processes occur in the oral cavity
Answer:
Mechanical digestion in the oral cavity consists of grinding of food into smaller pieces by the teeth, a process called mastication. Chemical digestion in the mouth is minor but consists of salivary amylase and lingual lipase, both contained in the saliva.
What’s the correct name for N2O5
A.Dinitrogen Pentoxide
B.Nitrogen Pentoxide
C.Nitrogen Oxide
D.Pentnitrogen Dioxide
How do liquid water, ice, and water vapor differ from each other?
1- They are different kinds of particles in the same states of matter.
2- They are the same kind of particles in different states of matter.
3- They are different substances in different states of matter.
4- They are the same substances in the same state of matter.
Where do cells come from? (Please choose from the following)
1. Tissues
2. Other cells
3. Skin
4. Molecules
If a compound has two atoms of aluminum (AI) and three atoms of oxygen (O) what would its chemical formula look like?
Answer:
Al₂O₃
Explanation:
that's the molecular formula for aluminum oxide/alumina.
Name the particle that has each type of charge?
Positive (+) _________________________________________________
Negative (-) _________________________________________________
No Charge (0) _________________________________________________
Answer:
positive: proton
negative: electrons
no charge/nuetral: nuetron
Explanation:
no charge could be also described as nuetral.
ANALYZE IT
1. What is a nebula?
2. What effect might a supernova have had on the material in a nebula that led to the creation of our solar system?
3. Does nuclear fusion combine or break apart hydrogen (H) atoms to form helium (He) atoms? Does nuclear fusion release or
absorb energy?
4. What percentage of the matter in the solar system does the sun contain? What does that statistic tell you about our sun?
5. What role did gravity play in the formation of the solar system?
How do the gases in Earth's atmosphere affect Earth's average temperature?
A. They make Earth warmer by trapping heat energy in the bonds between their atoms.
B. They make Earth warmer by allowing all of the Sun's rays to travel to Earth's surface.
C. They make Earth cooler by decreasing the amount of precipitation formed in the atmosphere.
D. They make Earth cooler by allowing most of the heat from the Sun to escape back into space
Use the image to answer the question.
A diagram shows the process of photosynthesis. A flowering plant has arrows pointing into the plant leaves from the sun, arrows pointing into the plant leaves from the air, and arrows pointing into the plant roots from under the ground. Arrows also point away from the plant leaves into the air.
In a paragraph, answer these questions:
What is photosynthesis?
What are the inputs for photosynthesis?
What are the outputs for photosynthesis?
Answer:
1. the process of plants taking in sunlight and creating oxygen
2. outputs are oxygen
3. inputs are sunlight
Explanation:
During which phase of mitosis do the sister chromatids pull apart?
A) Cytokinesis
B) Anaphase
C) Telophase
D) Prophase
Answer:
AnaphaseExplanation:
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Color is everywhere in nature. The arrows in the image model the wavelengths of visible light. Compare how the incoming colors of light behave when they encounter the kittens black fur, it’s white fur, the green grass, and the yellow dandelion
Answer:
The black color absorbs all colors of light, the white reflects all colors of light, the yellow-orange flowers only reflect yellow and orange light, and the green grass only reflects green light. It is because they reflect certain colors of light that these objects display certain colors.
Explanation:
(OMG PLEASE HELP ASAP!!:c)What is the major function of proteins in cells?
1.They contain the instructions for the cell to carry out all the functions of life
2.They provide components of cell membranes and organelles and speed up chemical reactions
3.They provide energy and components of cell walls and cell membranes They provide energy and components of cell walls and cell membranes
4.They store energy and provide certain components of cell membranes
Answer:
1. They contain the instructions for the cell to carry out all the functions of life.
Explanation:
Proteins are responsible for nearly every task of cellular life, including cell shape and inner organization, product manufacture and waste cleanup, and routine maintenance.
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How can an induced magnet be made stronger?
adding more secondary coils
adding more primary coils
adding more induction
Answer:
by adding magnesiem sulphate to the magnet