This jet stream—the one that forms at the polar front—affects weather in the United States. ... This shift occurs because the entire hemisphere is cooler, so the boundary between the cold polar air and the warm southern air shifts south. As a result, the jet stream shifts toward the south in winter.
Answer:
All of the above.
Explanation:
Regulation of the expression of genes refers to different processes tge cells use to increase or decrease the production of some gene content. It involve Turing gene on and off so as to ensure that appropriate genes are expressed at the right times. This allow organism to respond to changes in their environment.
Answer: The correct option is B.
B)the work to do the job is made easier
Explanation:
The work to do the job is made easier because it becomes easy to move object on high elevation, the sloping surface of the inclined plane support and hold part of the object weight. It then require little force or work to move the object up the hill compare to straight up height.
the answer should be (.A.)
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Mitochondria since it’s the power house of the cell where the energy for this one is produced