Answer:
I'd say C is the answer they want, though my pedantic side wants to argue for B being true as well.
There was a supercontinent called Pangea
Answer:
z1/z2
Explanation:
we have no quantum effects therefore we can make use of Maxwell Boltzmann distribution in the description of this system.
using the boltzman distribution the probability of finding a particle in energy state

we have
gi to be degeneration of the ith state
ei to be energy of ith state
summation

We have R to be equal to

The measurement of sound is in decibels.
False. Weather has periods of change, imagine a rainy day and a sunny day, it is a change in weather