The appropriate answer is D. Alfalfa. Alfalfa is a legume and these plants play a key role in the nitrogen cycle. These plants house nitrogen fixing bacteria on their roots. The bacteria are housed in tiny round structures of leguminous plant roots. Once the nitrogen is fixed in the soil it can now be used by other plants to make food. These plants include beans peas and peanuts. <span />
The nicotine indirectly inhibit the CB1 or also known as the
Cannabinoid receptor type 1, which is the one responsible in obesity and
metabolic syndrome, thus, this would explain the weight gain associated with
people who quit smoke as if this is indirectly inhibited, it produces weight
gain.
Third planet from the sun
Answer: A Civil Engineer benefits from the knowledge of physiology because it helps to effectively design buildings to fit human beings adequately. That is, the height of a doorway must effectively take most people.
Explanation: This is when we talk about Ergonomics, that is the environment must effectively fit the user.
Answer:
contour farming => process of growing crops perpendicular to the direction of the land's slope.
grassed waterways =>planting grass in shallow channels.
crop rotation =>practice of growing different crops in succession in a field.
cover cropping and mulching => process of covering the soil surface around a plant with materials such as hay or leaf debris.