Longer wavelengths, such as microwaves, would not make a good ...

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Longer wavelengths, such as microwaves, would not make a good basis for a visual system because
 
  a. most longer wavelengths are blocked by the earth's atmosphere.
 b. they travel at too slow a speed.
 c. they are too abundant at the earth's surface to be useful in vision.
 d. long wavelengths penetrate objects instead of being reflected from them.

Question 2

Alcohol exerts a negative effect on motor coordination particularly through its action on the
 
  a. basal ganglia.
 b. cerebellum.
 c. reticular formation.
  d. red nucleus.

[ashely1112]

Answer to Question 1

d

Answer to Question 2

b

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Gracias!

[ASDFGJLO]

Excellent