I'm not 100% sure but I think the answer you are looking for is something like for example; Forest, grassland, tundra, desert, & maybe Ice sheets.
Answer: Heat energy.
Explanation: The source of hurricanes is heat energy, which is practically fuel to the storm.
Answer:
Geographic isolation
Explanation:
Geographic isolation -
It is considered to be the method by which the group of some specific living organisms gets isolated from rest of the organisms , which disables the species from sharing any genetic information , is referred to as geographic isolation .
The process of geographic isolation can be due to any accident or any coincidence .
Hence , from the given scenario of the question ,
The correct term is geographic isolation .
Greenhouse emissions of tar sand, per barrel, are more than conventional crude oil. This is because, it takes more energy to extract the bitumen from the tar sand and more so, to convert the bitumen to usable oil taking up even more energy. This energy is usually derived from burning natural gas. Emissions by tar sand are approximately 100 kg CO2 per barrel while conventional oil is approximately 30 kg CO2 per barrel.
