What percentage of energy needs is met by nuclear power?

5. what is a red giant? can our sun become a red giant? why or why not?

Political boundaries are determined by the political party in control at the time. true or false

(10 points) 1. cone 2. rectangle 3. triangle 4. circle 5. cylinder a. perpendicular cross section of a pyramid b. perpendicular cross section of a cylinder c. parallel cross section of a sphere d. shape created when a rectangle is rotated about the y-axis e. shape created when a right triangle is rotated about the y-axis