The diagram shows a roller-coaster track. Assume that the system is closed. At point E, the roller-coaster has just exit the vertical loop. which chart best shows the relative amounts of potential and kinetic energy of a roller-coaster car at point E?
A.
B.
C.
D.

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

What's the waste product of electrons and pyruvate combining in fermentation?  

How long does it take a skateboarder going 6.0 m/s to come to a complete stop if she slows down at a rate of 2.0 m/s^2