The sun contains about 99.9 percent of the mass of the solar system.
C) His work proving that unseen bacteria can cause disease.
Answer:
the re-introduction of the American chestnut Tree.
Explanation:
Answer:
4
Explanation:
A nucleotide consists of a sugar molecule attached to a phosphate group and a nitrogenous base
The microbes simply eat up contaminants such as oil and organic matter (e.g., waste food), convert them and then let off carbon dioxide and water. The process uses naturally occurring bacteria, fungi or plants to degrade substances that are hazardous to human health or the environment.
