What were the main sources of Earth’s original internal heat? Select all that apply. View Available Hint(s) Select all that apply. radiogenic heat released during the decay of short-lived isotopes volcanic eruptions solar radiation absorbed by Earth and its atmosphere the friction of tectonic plates moving past each other kinetic energy from impacts on Earth’s surface (which converted into thermal energy)

What is a reasonable action that provides safe water for communities?

Give reason sugarcane waste can be recycled into useful products

70 pts answer the following questions in full sentences and paragraphs, using at least 150 words, in the essay box below. 1. which organisms are carnivores? herbivores? omnivores? 2. if the ecosystem is balanced, which populations should be the largest? the smallest? 3. imagine a group of hunters kills half of the rabbit population. how will the other organisms be affected? 4. imagine disease kills 85 percent of the wolf population. how will the other organisms be affected? 5. imagine a foreign mountain lion species is introduced into the ecosystem. how will the other organisms be affected?