Changing usage from non environmentally safe products to green tech will help bring down global warming and greenhouse gasses. If we were to use green tech we could save the world from dying of global warming and acid rain. Using non fuel-efficient cars and using factories causes environmental damage, destroying the planet.
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I believe the answer is c. because of Darwin's theory of evolution..
The statement water is easily polluted..... is true. Water is pretty much the world's best solvent. So even toxic substances are easily dissolved in it and when that happens they pollute the water.
Answer:
The egg contains both food and mitochondria in addition to its vital DNA, thats why it is much larger. The sperm cell has to be much smaller than the egg cell, because it is the one that swims. If a sperm cell were as big as an egg, it would not be able to move very fast nor very far.
