PLS ANSWER Copernicus determined, for each planet, the approximate (1) of (2) required to orbit around the sun. Question 1:
A. Period
B. Orbit
C. Distance
D. Cycle
Question 2:
A. Revolution
B. Rotation
C. Orbit
D. Distance

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?