Chemistry, 02.01.2022 01:00, genesis3105
Which of the following explain why life on Earth can exist? (Select all that apply.)
The atmosphere protects the Earth from harmful ultraviolet rays and traps the sun’s heat that warms up the biosphere to sustain life.
The geosphere provides the land that organisms in the biosphere live on.
Water particles from the hydrosphere combine in the atmosphere and fall to the Earth which provides water to living organisms.
The biosphere receives heat, air, and sunlight from the atmosphere for plants to grow and produce food.
Answers: 2
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Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?
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Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
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Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
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Which of the following explain why life on Earth can exist? (Select all that apply.)
The atmospher...
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