A scientist is studying a substance that cycled through ecosystems. Which substance might the scientist be studying?

The degree of intense A. Intensity B. Measurement C. Potental Energy D. Electricity

Which is true about scientific knowledge? A. It is agreed upon by all scientists. B. It is not based on observation. C. It is rarely proven wrong. D. It changes as new evidence is found.

How do you call the price at which the quantity demanded by consumers will equal the quantity supplied by producers? A. demand price B. supply price C. market price

Name three different types of technology used in water

What is a petrified fossil

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.