Bioherms are made of
sand, silt, and clay
algae, corals, and shells
carbonic acid and limestone
layers of evaporated salt

The vedas were a collection of aryan religious writings t or f

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal

While statement about the brazilian highlands is not true