Which of these is an example of overcoming static friction? A. Speeding up on a bike
B. Starting to pedal a bike that is stationary
C. Slowing down on a bike
D. Trying to stop a bike while pedaling

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Write down two additional questions about earth's magnetic field that will make your presentation more informative.