What type of boundary is between the Juan de Fuca plate and the North American plate?

During a 30-year period, a severe drought occurred in three separate years. According to this information, what is the yearly frequency of drought? apex

Which best subscribes a difference between prokaryotic cells and eukarryotic

Jesse added 16 g of substance A to 4 g of substance B to obtain a certain amount of substance C. Which statement is correct? A) Substance A and substance C have the same mass. B) Substance B and substance C have the same mass.

What percentage of the body's bones is made up of water? a. 22% b. 25% c. 73% d. 83%

Stellar equilibrium is a balance between what two things? A. Outward and inward gravity. B. Outward pressure from light and inward pressure from heat. C. Outward pressure from hydrogen and inward helium. D. Outward pressure and inward gravity

A student has a microscope with a 10x eyepiece and 10x and 40x objectives.

How would acidification of seawater affect marine organisms?

If, in one population of pupfish all of the individuals have a blood pigment that is extraordinarily effective at carrying oxygen, but this trait is not seen in any of the other populations, what likely happened?

how do environmental factors affect the variation and distribution of expressed traits in a population?

Approximately how much principal would need to be placed into an account earning 3.575% interest compounded quarterly so that it has an accumulated value of $68,000 at the end of 30 years? a $23,706 b. $23,377 $52,069 d. $58,944 C