If two organisms do not share a common ancestor, why might they both have structures that serve a particular function?

Which layer will become saturated first when rain falls?

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?