From the list below, select the enzyme that has high activity in an acidic environment. question 9 options: a. amylase b. gastrin c. trypsin d. pepsin e. sucrose

Because of its structure the cell membrane is known as a phospholipid ? a.bilayer b.molecule c.fluid d.barrier

What is hydroelectric power produced by?

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks