True or false: a symbol is something, usually a physical object, animal or a place, which represents something else such as an idea

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry