Biomolecules also called biological molecules, any of numerous substance that are produced by cells and living organisms
Compaction and cementation
The geosphere is about 99.94% of Earth's mass, so C is the answer.
Answer:
atoms of isotopes of an element have different numbers of neutrons.
Explanation:
isotopes have the same number of protons, but different numbers of neutrons.
In the combustion process using excess oxygen, each mole of methane results to 1 mole of co2 while ethane produces 2 moles of Co2. Under same conditions, these can be translated to volume. Hence the total volume absorbed is 10 cm3 + 20 cm3 = 30 cm3.