Which macromolecule is the main source of energy for living organisms?
a_fat
b_nucleic acid
c_protein
d_carbohydrates

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

True or false multiple lane changes must be done individually going through the same procedures for each lane change

Atree root breaking a rock into smaller fragments is an example of both and mechanical weathering. when rocks are exposed to heat, they which can contribute to thermal stress. when harmful gases, such as sulfur dioxide and nitrogen oxide, react with water in the atmosphere, they can produce the agent of erosion involved in stream erosion is when the ground is so saturated that it can't absorb rainfall or when rain falls so quickly that the ground can't absorb the water, forms. a/an is a huge, heavy, moving body of ice that picks up rocks and sand and erodes the ground beneath it as these materials scrape across it. hot arid climates are prone to erosion by rows of trees and shrubs planted to protect fields from wind erosion are known as