What physical process changed the geological area

A racecar begins its first lap on a racetrack. After seven seconds, it is 140 meters further east. What is the average velocity of the racecar?

List the noble gases for science

A molecule always has the same type of atoms in the same proportions True or False

Which statements describe the inner planets? Check all that apply. Uranus is one of the inner planets. Mercury is one of the inner planets. The inner planets are also called terrestrial planets. The inner planets are larger than the outer planets.

Explain how a policy strategy to reduce, reuse, and recycle might mitigate the impacts of marine debris. I don't know this and I can't find it anywhere. Anyone know?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.