I think its A, because none of the other options would make sense
Answer:
air
Explanation:
The water molecules are being added to the oxygen and hydrogen in the air, which makes it heavier
D. store genetic information
Answer: A. combustion
Explanation: During complete combustion, carbon and hydrogen react with oxygen (O2) to produce carbon-dioxide (CO2) and water (H2O). The carbon-dioxide produced is released into atmosphere and is utilized for carbon fixation and recycling.
Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.