Answer: Noise above 70 dB can cause hearing damage
Explanation:
Answer:
it relates to the light propensity to travel over one straight line without having any interference in its trajectory
Explanation:
Answer:
1. B
2. B
Explanation:
1. he was the only teacher at that time that figured out that everything doesn't revolve around us. he figured it out by a telscope he made from three lens and a tube. its actually pretty cool. He found out that venus first was in front of us.
2. if the earth wasn't at a tilt, then we wouldn't have sessons, when the earth rotate around the sun, the earth is roataing at a title axis. and that changes our seesons, because if we are in south america, and we are in winter time, and south america is cold, then it means that the continent is not getting as much heat from the sun. Does that makes since, because it doesn't sound like it?
L=T2xg/4x3.14^2
16x9.8/4x3.14^2
Used your calculator plz
