For about how long do scientists think wind and solar power can provide us with energy? А
100 years
B
1,000 years
с
1,000,000 years
D
virtually forever

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

Name the intersection of plane bpq and plane cpq.