Which type of space probe is designed to move around on the surface of a moon or planet?
a.
orbiter
b.
flyby
c.
rover
d.
lander

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Distance that lewis and clark traveled from st. louis to ft. clatsop near the pacific ocean.

The organ that has two atria and one ventricle is the