Hannah’s job involves researching the complex interactions that occur between living organisms and Earth’s nonliving systems. Which discipline of Earth and space science does Hannah work in? A.

oceanography

B.

meteorology

C.

environmental science

D.

chemistry

E.

astronomy

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina

9. the history of life on earth is recorded in

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.