The _________ coincides with the period known as the little ice age of Europe and North America. This provides one piece of evidence that suggests a link between solar activity and the amount of solar energy Earth receives.
a. Maunder sunspot minimum
b. Babcock sunspot model
c. coronal hole
d. Coulomb barrier
e. weak solar force
Question 2
Gravity obeys an inverse square relation. This statement implies that the force due to gravity between two masses
a. will increase as the distance between the two masses increases.
b. will decrease as the square of the distance between the two masses increases.
c. will cause the two masses to move away from each other.
d. will cause the two masses to move in a straight line.
e. will cause the two masses to orbit each other.
White-winged Duck at Sylvan Heights Waterfowl Park, North Carolina
North Pacific right whale
The Dust Bowl in North America
End of last glacial period
Anthropocene Period
Embryonic Period