Decide which of the following day-to-day activities might be considered aerobic exercise?
1.surfimg the web
2.taking a catnap
3.mowing the lawn
4.paying bills

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

The softest and hardest minerals are: softest hardest

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.