The three main soil macronutrients in food production are a) carbon, oxygen, and water b) copper, cadmium, and carbon c) potassium, phosphorus, and nitrogen d) boron, zinc, and manganese

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

Who is volunterring to with a lot of easy science questions? will give brainliest. i need and i need it now