How do vaccines affect viruses? • vaccines kill viruses
• vaccines destroy bacterial infections
• vaccines stop viruses from replicating
• vaccines cure viral infectious diseases

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

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 a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn