<span>As humans change the way we live on the planet, the way that nitrogen moves around the Earth also changes. Nitrogen atoms may seem small enough to be easily overlooked. We look right through the ones in the air, do we not? Yet recent changes in the nitrogen cycle are causing a very noticeable effect on natural environments and human health. Lakes are clogged with aquatic weeds. Dead zones have formed in areas of the oceans where animals can not survive. Air pollutants that contain nitrogen are decreasing air quality and greenhouse gases that contain nitrogen are becoming more common.</span>
Answer:
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Rhizobia are a "group of soil bacteria that infect the roots of legumes to form root nodules". Rhizobia are found in the soil and after infection, produce nodules in the legume where they fix nitrogen gas (N2) from the atmosphere turning it into a more readily useful form of nitrogen.
Explanation:
The food that is not a good source of complex carbohydrates is milk.
<h3>What is carbohydrate?</h3>
The carbohydrate is one of the six classes of food. The six classes of food that we have are; fat, carbohydrates, protein, vitamins, minerals and water. Carbohydrates are made up of glucose molecules as it is a macromolecule.
These molecules are eaten for the purpose of energy because they are broken down in the body to give glucose which is a source of energy in the body.
Thus, the food that is not a good source of complex carbohydrates is milk.
Learn more about carbohydrates:brainly.com/question/14614055
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