Which best describes the physical and chemical digestion of food?

Physical digestion refers to breaking of food materials physically . Example: by chewing.

Chemical digestion refers to breaking of food chemically. Example: by chemicals in the stomach.

The 2 main sites for physical digestion in our body are mouth and stomach.

The main site of chemical digestion in our body is small intestine.

To utilize the nutrition to get energy to our body (cells) digestion is essential and proper.

Then answer is physical and chemical occurs in the mouth and small intestine

Explanation:

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.