Ques:Longer wires have more resistance than shorter wires. As cables get longer they need to get thicker because long cables have less resistance or more resistance?

Ans:more resistance
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Ques:Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration. Tasha is studying birth rates in various countries. She looks at two countries. In South Africa, the food supply is currently higher than in Australia. Because of this, the birth rate in South Africa, compared to Australia, will be lower or higher?

Ans:higher
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Ques:Lower temperature and higher salinity yield the densest water. Will added salt to the pool water. The water is now less dense or more dense?

Ans:more dense
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Ques:If we increase the resistance in a series circuit, by adding more resistors, then the total current decreases. Decreasing the resistance in a series circuit will lead to more or less total current?

Ans:
more
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