How do the animals in an ecosystem mainly acquire the sun’s energy? a) they absorb energy through their skins. b) they obtain energy when they drink water. c) they obtain energy trapped and stored by plants. d) they can convert the sun’s energy into chemical energy.

The influenza virus cause the flu, but not other diseases. why?

Which element is found in both dna and proteins

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing