Chemistry, 09.01.2021 02:50 guitarherolds
Which statement describes the movement of carbon dioxide in the carbon cycle?
A. The gas leaves the biosphere as animals breathe in air.
B. The gas leaves the atmosphere as plants use it to make sugar.
C. The gas enters the cryosphere as ice sheets melt.
D. The gas enters the hydrosphere as sugar dissolves in water.
Answers: 2
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Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
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Chemistry, 22.06.2019 19:30
Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol
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Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) ā al2o3(s) + 2fe(s) the Ī“hf for fe2o3(s) = -824.3 kj/mole. the Ī“hf for al2o3(s) = -1675.7 kj/mole. finish the equation. Ī“hrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Which statement describes the movement of carbon dioxide in the carbon cycle?
A. The gas leaves the...
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