Which of the following statements is true?
a. the moon stabilizes earths wobble.
b. the nearside of the moon is only seen once a year.
c. the earths atmosphere is thicker than venus atmosphere.
d. the phrases of the moon are caused by its synchronous rotation.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of