What name is given to the molecules that bind to foreign proteins that enter the body?
a. antigens
b. antibodies
c. allergens
d. antibiotics

Explain how organisms could be harmed by high levels of salt from roadways?

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit