Which substance is removed from the atmosphere so that plants can carry out photosynthesis? OA.
nitrogen
ОВ.
water vapor
OC.
oxygen
OD.
carbon dioxide

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Witch theory suggests all living things are made up of cell or cells