Volcanic belts form along

a.
islands in the pacific ocean.
b.
north american mountain ranges.
c.
the boundaries of earth’s plates.
d.
the coast of antarctica.

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases

Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i