Aweather map shows a line of blue triangles. what does this mean?
a. stationary front
b. cold front
c. occluded front
d. warm front

Answer - B. a cold front

*Explanation*

Blue triangles represent a cold front advancing in the direction of the triangles, as cooler air displaces warmer air upwards. Red semicircles are a warm front, where warmer air pushes the cooler air away.

the intolerable acts were punitive laws passed by the british parliament in 1774 after the boston tea party. in great britain, these laws were referred to as the coercive acts.

fill in the blank

is slave