Why is it important polar bears stay around

The lower mantle has an average density of 5.5 g/cm³ which of the following could be density of the outer core? A 3.5 grams per cubic centimeter B 5.5 g/cm³ C. 10.0 g/cm³ D No text answer provided

Which of the following would be the greatest cause of mechanical weathering? oxygen the hot sun tree roots growing in rock acids

What is the carbon cycle?!

Which characteristic of a phospholipid contributes to the fluidity of the membrane? a its head b cholesterol c a saturated fatty acid tail d double bonds in the fatty acid tail?

The stomach is ___ to the heart. Question 1 options: 1) superior 2) posterior 3) anterior 4) inferior

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.