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Biology

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Lexie Crooks

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Cards in this guide (13)
What President had the least formal education

Andrew Johnson had the least formal education-- none at all. He never was a student in a school of any kind.

When do droughts occur

Droughts occur when there is no rain in a place for three or four hours.The Earth gets preached and cracks,lakes and tanks dry up; well water goes down,there is shortage of even drinking water.Crops dry up and the price of food goes up.Poor people die, as they cannot buy food.

Why are some people fat and others are not

One reason people are fat is because they eat and eat and eat and don't exercise. Another reason is because some people have fast working calorie burning systems and some people have slow ones causing them to be fat.

It might be that those people that are not fat have high metabolism you eat as much as you want and not get fat.

Which is true about scientific theories

Scientific theories can be rejected by new reliable evidence.

Which is an example of the way matter cycles through the bodies of living things

Whales eating salmon.

What do a sunflower and a lion living 50 years ago have in common

they share some of the same matter.

What tool do scientists use to attempt to solve the world's problems

Technology

Which activity helps solve the pollution problem through the use of new technology

There are several:

Using more energy efficient power generators

Using more energy efficient machines

New technology to remove or reduce emissions

There are many attempts to increase the amount of food produced which method is known to have harmful effects on the health of humans

overuse of pesticides

What type of protein controls what goes in and out of cells

Membrane~

Why is it important for scientist waterproof is tested One fabric couch is treated with the chemical and another identical couch is not Which is the experimental group

The treated couch is the experimental.

A group of students is measuring the number of paper bags that are brought to a recycling center in a single day.

Collecting data

Which activity is most likely a result of a sudden, unexpected change in the environment

The extinction of a type of shrimp

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