To distinguish between human and animal hair, forensic scientists may look at what part of the hair?
a. medulla
b. nuclear
c. root
d. color

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Pl which diagram illustrates prophase?

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring