Question

nutrient cycling

1. what is the law of conservation of matter?
2. which four nutrients cycle through all of earths spheres and organisms?

Explanation:

1. The law of conservation of matter states that matter cannot be created or destroyed in a chemical reaction. It can only change forms.
2. The four nutrients that cycle through all of Earth's spheres and organisms are carbon, nitrogen, phosphorus, and water (though water is a compound but plays a crucial - role in nutrient - cycling).

Answer:

1. Matter cannot be created or destroyed in a chemical reaction, only changed in form.
2. Carbon, nitrogen, phosphorus, water.