Answer:
Storing food for hibernation is not needed
If a liquid is sealed in a container and kept at a constant temperature, the vapor increases at first, then remains constant. The correct answer is B.
D) It is difficult to change the habit of using the resource
A major disadvantage of non-renewable energy is the challenge of breaking humans of their habit of leaning on it. The Union of Concerned Scientists reports it's an uphill battle to sway consumers that the so-called "public goods" of renewable energy, such as reducing pollution for everyone, may not be enough to convince them to pay more for cleaner energy.