Answer: Cow manure has long been used as a fertilizer for crops and gardens. Not as toxic as chemical fertilizers, manure adds beneficial organic material to soils, which helps prevent soil compaction. Soils are better able to retain moisture.
Explanation:
The hydrosphere is basically everything that is water.
Answer: It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.