How has the climate changed in the Fertile Crescent since the ancient era? The average temperature is cooler. The average rainfall has increased. The lengths of droughts have increased. The amount of water from flooding has increased.

The lengths of droughts have increased

We just did this today in class lol

Explanation:

c. the lengths of droughts have increased.

Explanation: i took the unit test.

i think they came to washington to protest

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".