Answer:
Streptococcus mutans.
Explanation:
Streptococcus mutans is the bacteria (it is still a microorganism) that predominatly causes tooth decay. It is present in all areas of the mouth.
The correct answer of the given question above would be option D. The hypothalamus is involved in sleep as a response to decreasing light, the hypothalamus suprachiastmatic nucleus causes the pineal gland to increase production of melatonin. The hormone melatonin is responsible for maintaining the circadian rhythm of the body.
Answer:
Microbes are decomposers. They eat all dead and decaying material.
Answer: B. reproducing
Explanation:
Reproducing is the characteristic which contributes to the production and generation of new cells in the body from the pre-existing cells through cell division and cell differentiation. This process helps in replacement of old and damaged cells of the body.
According to the given situation, the human skin heals as the skin cells performs the process of reproduction in which the new cells are formed from the pre-existing cells to replace the dead and damaged cells of the region of cut.
Acid rain. burning fossil fuels releases a form of sulfur into the air which causes acid rain
