What is true about the theory of uniformitarianism? Question 1 options:

it says that the present is the key to the past

it was proposed by James Hutton

it helps explain Earth's past

all of the above

The modern periodic table has groups.

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas