How is carbon stored in the biosphere?
a
in the atmosphere as carbon dioxide
b
underground as fossil fuels and calcium carbonate rock
c
in the oceans as dissolved carbon dioxide
d
all of the above

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from