Which of these is considered to be lipids? -steak-oil-butter-bread-carrots

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

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 -

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods