Which best describes the big bang theory? a. the universe is 4.6 billion years old. b. our universe is not the only universe. c. the universe is expanding. d. the universe is shrinking. 2.mars is tilted on its axis. which is a result of this tilt?

a.
it has seasons and an even distribution of sunlight across the planet.

b.
it has no seasons and an even distribution of sunlight across the planet.

c.
it has seasons and an uneven distribution of sunlight across the planet.

d.
it has no seasons and an uneven distribution of sunlight across the planet.

3.which begins as kinetic energy and can be transformed into mechanical energy and electricity?

a.
sunlight

b.
natural gas

c.
oil

d.
wind