Answer:
Light travels in waves, and we call this traveling propagation. Propagation of waves has both a speed and a direction, called the velocity. The velocity of light changes depends on the material it travels through.
Light waves can be changed in a few different ways. Reflection is when the waves bounce off a surface and change direction, like when they hit a mirror or pool of water. Diffraction spreads out light waves as well
Explanation:
8 constructive 9 collision 10 conservative
Answer:
D. Most European nations are part of the European Union.
Explanation:
Just took this test
USA.
The United States supported South Korea in the Korean War, because they were capitalist and democratic.
35.5 degrees.
Explanation:
ACB = 1/5 of AOB
Plug in 61 degrees for AOB.
1/2 of 61 = 35.5.
If not correct, then you may correct me.