Which is not classified as a fossil fuel? a. coal b. natural gas c. oil d. uranium d? ?

2.which is an accurate description of a winter solstice?

a.
the hemisphere is tilted away from the sun and the sun reaches its highest point in the sky.

b.
the hemisphere is tilted toward the sun and the sun reaches its highest point in the sky.

c.
the hemisphere is tilted toward the sun and the sun reaches its lowest point in the sky.

d.
the hemisphere is tilted away from the sun and the sun reaches its lowest point in the sky. b?

3.what does the red-shift of galaxies indicate?

a.
the universe is shrinking.

b.
the sizes of the galaxies are shrinking.

c.
the galaxies are moving toward each other.

d.
the universe is expanding. a?