Answer:
<h3><u>
<em>The board should be placed at about an 80-88 degrees angle. </em></u></h3>
<u><em>Explanation:</em></u>
<u><em>This will speed the car up and increase its speed as going down the ramp.</em></u>
Answer:
a. The rate constant = 0.0000030s^-1
b. The half life = 32000secs
Explanation:Please see attachment for explanation
Answer: C
Jane Goodall <u>observed </u>the chimpanzees. She noted the chimpanzees, and she studied their bodies closely. This is an example of investigation.
Hope this helps you!
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