<span>Ideally, sustainable development should preserve the environment and ecosystems while being continually implemented. For example, solar energy is sutainable because you can't spend it by using it. Oil is unsustainable becasue it will run out and you can't replenish it in time. Wind energy is also sustainable.</span>
Tundra soils are generally frozen and are categorized as Gelisols. And in order to be a Gelisol, permafrost must be within 100cm of the soil surface.
Hypothesis could be tested by actually doing them to see if it works or not...
D. preserve ecosystems whilst providing for human needs.
the actual definition for sustainability is meeting the needs of the present without compromising the ability of future generations to meet their own needs.
Answer:
The most common energy source for cells is ATP, or Adenosine Triphosphate