The independent variable is how much weight you add to the boat.
The dependent variable is: Did it or did it not sink yet ?
Answer:
they were hunter gatherers
Explanation:
False as oxygen is the second most abundant and nitrogen is the most abundant at 78%.
<span>The particles through which compressional waves travel move in the same direction as the wave. This may be observed by fixing one end of a large spring and then compressing and extending the other end. The wave travels from one end to the other and the spring's parts move in the same direction.</span>