Andrew Johnson had the least formal education-- none at all. He never was a student in a school of any kind.
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.
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.
Scientific theories can be rejected by new reliable evidence.
Whales eating salmon.
they share some of the same matter.
Technology
There are several:
Using more energy efficient power generators
Using more energy efficient machines
New technology to remove or reduce emissions
overuse of pesticides
Membrane~
The treated couch is the experimental.
Collecting data
The extinction of a type of shrimp