How much greater is the shaking produced by a magnitude 8 earthquake than a magnitude 5 earthquake using the richter scale

Why are current extinctions of concern to enviromentalists?

Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb. a. 0% b. 25% c. 50% d. 75% e. 100%

Where is pericardial fulid located