Which are autoimmune disorders? Select all that apply.
rheumatoid arthritis
ulcerative colitis
HIV
Crohn's disease
type 1 diabetes
leukemia

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

How are gross production and net production different? a. net production is always greater than gross production. b. net production is always less than gross production. only animals have net production. d. only plants have net production. select the best answer from the choices provided

Speed is the ratio of the distance of an object moves to