Which of the following is NOT a type of plate boundary? a.
Convergent
c.
Transform
b.
Subduction zone
d.
All of the above are types of plate boundaries

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

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.