Answer:
D. Analysis of the proteins
Explanation:
<span>CFCs and smog are examples of air pollution.
CFCs (containing atoms of carbon, chlorine and fluorine)are a component of aerosols sprays, refrigerants etc. These chemical compounds are non reactive in the lower atmosphere but the CFCs react with UV radiation in the sunlight and release inorganic chlorine. This chlorine is the main cause of the holes present in the ozone shield (shield that protects us from harmful UV rays) in the polar regions.
Smog refers to the haze or fog that occurs as a result of air pollution (caused by burning of fossil fuels etc)</span>
Dionusr. Anicent Marine mammals Based on the fossil,
<span>(</span><span>A. specialized cells that perform specific functions)</span><span>
</span>
Answer:
It occurs to create innovation in the existing technology.
Explanation:
A technological advancement is an attempt to develop current materials, devices, products or processes by further understanding of science. technological advancement provides innovations of existing technology or formation of new technology in order to better the life style and make easier our work. If the technological advancement did not occur, we are unable to increase efficiency of various instruments and machines.