The cross-section, or diameter, of the hair shaft is much larger in coarse hair than in which of the following?
a. fine hair
b. gray hair
c. curly hair
d. blonde hair

Which format should he use to present his data?

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.