Is sodium hypochlorite a pure substance or a mixture

Name the types of burns one can get and which structures of the integument are damaged

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.

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate