Which of the following BEST
describes
"Olympus
Mons"?
A. It is a giant canyon on Mars.
B. It is the third moon of Mars.
C. It is the largest volcano in the solar system.
D. It is a large sea of carbon dioxide on Mars.

Some plants rely on the wind to reproduce an example is it’s important for plants to use the forces of nature to reproduce because 1. 1a white tuft of dandelion seeds 2a spiked burrs surrounding seeds 3a hard shell on a walnut? 2. 1b require pollination to reproduce 2b reproduce only asexually 3b cannot move about freely?

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

Depending on the organism the number of in a cell may change