Which term refers to the process by which individuals that are better adapted to their environment are more likely to survive and reproduce?
a.
natural selection
b.
overproduction
c.
competition
d.
variation

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

What happens when light is scattered?

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent