The answer is B. 1870 as it was made in 1869
The marble is release from the top of the ramp.Gravitational potential energy decreases as it roll down the ramp,at the same time the marble gains kinetic energy as well as a lost of energy in the form of heat due to friction.
Chenge in PE=change in KE
therefore energy remains the same on all parts of the ramp
They are transported by the water when it gets really strong it gets strong enough to transport the rocks
I'm so over it, yelled Ms. Horton, As she slammed the door of her classroom.
She'd been trying to catch up on grading all day, but the internet was having issues. There wasn't a way to fix the internet, since it was pouring rain outside. To make the matters worse, Miss Eads has just told her a tornado had been spotted in their area. I can't hear anything on the radio, in my classroom, so I came down to see if you had one to listen to, said Miss Eads. Fortunately, Ms. Horton had a large, shiny red one on the nearest bookshelf. She handed it down to Miss Eads and gave her a reassuring smile that everything would be okay.
Explanation:
If it's grammar here it is . ^^