What is the ability to cause change?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

In the water cycle , when does water undergo a chemical change

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.