The 1930s dust bowl in the great plains was caused by
a. deforestation.
b. contour plowing.
c. using renewable resources.
d. poor farming practices.

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient

How many bones are there in the human body?