You are heating a substance in a test tube. Always point the open end of the tube A. toward yourself.
B. toward your lab partner.
C. toward another classmate.
D. away from all people.

Most of earth’s fresh water is found in oceans and seas stored in glaciers and ice caps groundwater stored beneath the surface found in lakes, rivers, streams, and reservoirs

Where is the nictitating membrane found? a. between the eyelid and the eyeball b. between the retina and the optic nerve c. between the outer and middle ear d. in the organ of corti in the middle ear

Which describes the habitat of a frog?