The figure above shows two pith balls suspended by threads from a support. in the figure, a. the pith balls are uncharged, so they hang straight down. b. the pith balls both have the a positive charge, so they hang straight down. c. pith ball 1 is negatively charged, and pith ball 2 is positively charged. d. pith ball 1 is positively charged, and pith ball 2 is negatively charged. t

Select the statement that is not true about the hubble telescope: a. it orbits above the earth, avoiding the light distortion caused by our atmosphere. b. it is mounted high on a hawaiian mountaintop to provide stable images. c. it has allowed scientists to see the formation of far-away stars and solar systems, leadin some certainty about the history of our own solar system. d. it has documented the destruction of far-away stars and galaxies, leading to some certa the theories of the life cycles of stars.

The probability of rolling a sum of 7 when rolling two dice simultaneously is 0.167. you decide to test that probability by rolling th dice 12 times. what is the probability that exactly 2 of the rolls is a sum of 7?

Which fossil fuel releases the least amount of carbon dioxide in a year a. natural gas b. coal c. nuclear energy d. oil