Which of the following is true?

a. some substances must be dissolved in water before they can be used.

b. water is more important to some organisms.

c. all organisms obtain water through food.

d. plant cells are unaffected when water is scarce.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Explain why the plants cortex would serve as the best food source for animals

Which anatomical plane is the only one that could not show both the sternal region and vertebral region