Abundance. Hope this helps :))
The addition or removal of heat changes the temperature of an object. The temperature can cool down or it can warm up.
All the above are evidence for the hypothesis
It helps make the hair grow faster and gives it nutrients
3. IV:height of drop DV:height of bounce CV: type of ball, place where ball is dropped, climate/wind
4. IV: battery type DV: time that it lasts CV: age of batteries, age of material (flashlights), type of materials (flashlights), size of batteries
5. IV:depth of water DV: temperature CV: amount of water in lake, temperature, climate/season
