Que pasa si no se respeta la luz del semaforo?

In your own words, explain how the radiations from space detected by Arno Penzias and Robert Wilson provides evidence for the Big Bang Theory.

Which terms describes elements with different atomic masses due to varying numbers of neutrons? A. atomic mass units B. nuclei C. isotopes D. atoms

How many valence electrons are there in group viia elements

Light incident on a surface at an angle of 45 degrees undergoes diffused reflection. At what angle will it reflect?

Two 1.50-V batteries-with their positive terminals in the same direction-are inserted in series into the barrel of a flashlight. One battery has an internal resistance of 0.390 Ω, the other an internal resistance of 0.120 Ω.

Who was the scientist that discovered Pluto wasnt a planet

Astronauts appear weightless while working in the International Space Station because A) they are in a state of free fall. B) there isn't any gravity in outer space. C) they have very little mass when in outer space.

The distance between two consecutive crests is 2.5 meters. Which characteristics of the wave does this distance represent?

Who first landed on the moon?

What factors affect the speed of a wave? Check all that apply. the amplitude of the wave the energy of the wave the temperature of the medium the type of wave the type of medium