A block has a acceleration a when pulled by a string. If two identical blocks are glued together and pulled with twice the original force, their acceleration will be:. a. (1/4)a
b. (1/2)a
c. a
d. 2a
e. 4a

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

your answer is c! hope this : )

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.