Answer: A. Carbon dioxide is a product.
Explanation: During cellular respiration the body takes in oxygen and uses it and turns it into carbon dioxide and lets it out, thus carbon dioxide is a product.
Because they want to prove their dominance and be better than the others.
The majority of the Earth's rare earth minerals are found in China, with 97 percent of rare earth trade concentrated in China.
<span>These minerals are called "rare" because thy have unique chemical properties that make them essential for wide-ranging technologies.Some of the arre minerasl are </span><span>aeschynite, allanite, apatite, bastnäsite, britholite, <span>brockite..</span></span>
With the choices given, the answer to the biology question presented above would be b. heavy metals such as mercury. Heavy metals contribute to soil pollution more than air pollution. The other choices are sources of air pollution. Thus, letter b is the answer.
