The smallest unit of an element that retains all the characteristics of that element is called a(n)
a. atom.
b. compound.
c. molecule.
d. proton.

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

Explain nonnuclear inheritance. ~ ap biology

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions