If you were to put equal amounts of sand gravel and dirt into a water bottle with water and shake it how would it settle? would it be sand at the bottom, dirt in the middle, gravel at the top?

What repair enzyme/mechanism is responsible for cutting out errors in the DNA? Question 17 options: Polymerase Helicase Nuclease None of the above.

Which type of respiration occurs inside the mitochondrion? A. anaerobic respiration B. aerobic respiration C. ethyl alcohol fermentation D. lactic acid fermentation

What types of organisms appeared after plants?

The magma that creates new sea floor comes from the A) Asthenosphere B) Lithosphere C) Core D) Mantle

Do flowers contain more stamen or pistils?

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.