Answer:
D
Explanation:
I got it right whenever i chose D
Cotton is a plant, hence 'cotton plantations.'
A :-) Osmosis. Osmosis is the movement of water across a membrane from an area of low solute concentration to an area of high solute concentration.
Lead emission since early 1980s have DECREASE DUE TO LEAD FREE GASOLINE.
Lead is a natural occurring element that is found in small quantity in rocks and soils. Lead emission is an important environmental health issue because a very small quantity of lead can cause adverse effects on the nervous system of unborn babies and young children. Because of this, the government took all necessary measures to ensure that its emission was drastically reduced.
Industrial melanism is an evolutionary effect prominent in several arthropods, where dark pigmentation has evolved in a habitat affected by industrial pollution, including sulphur dioxide gas and dark soot deposits.