Answer:
a. Light moths on light trees.
d. Dark moths on dark trees.
Explanation:
The clear coloration of the moths allows them to mimic in the light trunks that can be of this color or covered with light lichens. Likewise, dark moths mimetize in dark trees, which can be of this color naturally or a cause of the industrial revolution and contamination with hollin. The mimicry allows them to camouflage themselves from theirs predators.
Answer:
Water
Explanation:
water molecule contains one oxygen covalently bound to two hydrogen atoms with no carbon present.
Lack of proper sanitation facilities and water drainage system can cause merging of fresh water with the sewage and allow bacteria, viruses and various other microbes to enter the water supply. This causes infectious diseases.
According to Google, in biology (or science), it means "to cover any funding for scientific research"
