Currently fossil fuels are one of the world’s primary energy sources. The graph shows the amount of carbon that has been released in the atmosphere since 1900 due to the burning of fossil fuels.

second mirror gathers light from a faraway object and reflects it to another mirror. - a.

i dont think you are wrong for wanting to get even with someone who did you wrong.

(i'm an eye for an eye kind of person) but if this person hurt you in a sexual way, i dont suggest doing anything to him. he should be taken to the proper authorities, you could go to jail depending on what you do. if it was something small like your sibling took your spot on the couch, than yea, i would get even with him by taking one of his favorite snacks lol. but i dont suggest you doing anything illegal.

f is prop to m1xm2 double m1 double force

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.