Which of the following is a need of most plants? a. to release carbon dioxide to the environment. b. to take up oxygen from the environment. c. to release water through their leaves. d. to capture sunlight to perform photosynthesis. mark for review (will be highlighted on the review page)

About __ of the mass of the cell is water

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

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.