What is the ratio of surface area to volume for a sphere with the following
measurements?
surface area = 300 m2
volume = 500 m
o a. 300 m
o b. 500 m
o c 1.7 m
o d.06m

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen