The child of a short mother with black hair and a tall father with red hair is tall with black hair. this occurred because
the parents provided some of the chromosomes.

Describe how an electric generator works

The study of interaction between living organisms and their enviroment is called (a) phytogeography (b) ecology (c) phytosociology (d) ecosystem

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels