Explanation:
Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. Once these resources are used up, they cannot be replaced, which is a major problem for humanity as we are currently dependent on them to supply most of our energy needs.
Answer:
oxygen enters blood cells by 'diffusion'
Answer:
The damage to ozone layer is done by halogens such as Chlorine and Bromine.
Alphonse Bertillon was a French criminologist who first developed this anthropometric system of physical measurements of body parts.
