Why is it that in our universe, only gravity extends to infinity, whereas electromagnetic forces are much more limited in extent? A) Electromagnetic forces from charged […]
When mantle rocks near the radioactive core are heated, they become less dense than the cooler, upper mantle rocks. These warmer rocks rise, while the cooler […]
Some politicians and scientists argue that some predictions of the average global temperature increases are unreliable and have often not come to pass. Therefore, global warming […]