Which is an example of a scientific hypothesis?

How will climate change affect forests and plants on dry land?
In horizontal rock layers, the oldest layer is at the bottom.
The outer layer of Earth is divided into “plates” that move across Earth’s surface.
If salt is added to water, then the water will take longer to freeze because the salt causes more heat in the mixture.

Situation #1: imagine that you are a free black male living in columbus, oh in 1863. you have seen the recruiting poster and have been thinking a lot about whether or not to enlist in the union army. write a one-page letter (double spaced) to your mother telling her of the decision you have made about enlisting (or not enlisting). be sure to explain the reasons that caused you to make the decision.

When the communist, under mao, took control of china in 1949 they announced total support support for which country and its ideology?

Which of the following statements concerning brazil since independence is not true? brazilians today can participate in politics through voting. brazil has been governed by dictators and elected officials. brazil became independent from portugal in 1822. brazil was the first country in the americas to end slavery.