What is the same about a proton and electron? a. they are both found in the nucleus b. they both have a mass of 1 amu c. they both orbit the nucleus d. they both are electrically charged

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

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

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?