Asituation in which an adult patient understands the risks involved in not having a procedure or treatment performed is known as:

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

What field of science did harry hess study?

Are the earth's ocean floor and continents the same age geologically? why or why not?