In 2014, the birthrate in costa rica was 15 per 1000 people. in the same year, the death rate in costa rica was 5 per 1000 people. what was costa rica's approximate growth rate in 2014? a. an increase of 20 per 1000 people b. an increase of 10 per 1000 people c. a decrease of 3 per 1000 people d. an increase of 75 per 1000 people

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.

Why are some people more concerned about shark survival than about shark attacks?

Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet