How can a volcanic eruption affect weather?
What will be an ideal response?
They emit gases which have a cooling effect from sulphur dioxide which causes warming from greenhouse gases
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The most concentrated form of energy is
A) wind. B) fossil fuel. C) geothermal. D) nuclear.
Why use nuclear power on a satellite?
a. It can supply energy for many years on long space missions. b. Solar cells don't work well in the outer solar system far from the Sun. c. Sending radioactive materials into space is a good way to get rid of them so they don't create a hazard on Earth. d. all of the above
Video 2 (Chapter 19): If you have a short focal length converging lens what can be said about the power of the lens?
A. The power is large and positive B. The power is small and positive C. The power is small and negative D. The power is large and negative.
Novae always occur in a close binary star system
Indicate whether the statement is true or false