Determine the age of a fossil if it had only one eight of its original carbon -14 content remain

When you imagine how you'll get from your house to the store, you are a. mental projection b. mental map c. piagetian projection d. cognitive load

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays