Temperature differences between nighttime and daytime on Earth ...

[Alainaaa8]

Temperature differences between nighttime and daytime on Earth are relatively small due to
 
  A) polar regions absorbing most solar energy.
  B) Earth being 70 water.
  C) Earth's relatively high daily spin rate and shortness of nighttime.
  D) seasonal fluctuations and Earths magnetic field.

Question 2

The carbon dioxide cycle is important to Earth because it
 
  A) helps sustain the planet's plant base.
  B) has been recognized by the Nobel Prize award committee.
  C) and the oceans are critical in moderating and regulating the Earth's temperatures.
  D) prevents the gradual buildup of oxygen, which would eventually lead to a combustible atmosphere.

[shaikhs]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C

[Alainaaa8]

Excellent

[upturnedfurball]

Gracias!