Answer:
Oxygen, carbon dioxyde
Explanation:
After oxygen was distributed to somatic cells, there are higher concentraion of carbon dioxyde. Therefore, it will move out from our cell to be exhaled by lungs. Vice versa for oxygen
Answer:
A is the answer
Explanation:
Carbon dioxide and water are the reactants of both processes
Answer:
safari could help, learnt this a few years ago, totally forgot!!
Explanation:
:).
Populations
communities
ecosystem
biosphere
Decaying uranium atoms in the earth's crust result in Radon gas. Radon gas cannot be synthetically or commercially produced. It is produced as the result of the natural breakdown of uranium i.e. decaying uranium atoms. Radon gas is a naturally occurring radioactive gas. People are exposed to Radon gas via the inhalation and ingestion of the gas. Because it is found in the ground, water or building materials, Radon gas can enter work buildings as well as private dwellings.