Which of the following is true regarding the polar front jet stream Group of answer choices a. it sometimes requires airlines to allot more time traveling from the east to the west b. it controls the movement of low pressure systems in North America c. it is the boundary between cold polar air in the north and warm air to the south d. all of the above are true

D, the answer is letter d. because even though fossil fuels take a very long time to form, they do form in the ground just like coal and others.

Except common history

Conditions are more like living on  land  for creatures in the upper part of the intertidal, which is only covered with  water  at extreme high tide, so life is easier on land. conditions are more like living in the ocean for creatures in the lower part of the intertidal which is only exposed to air at extreme low tide. so basically it both worlds of land and ocean.