3. The product should use the least sig figs of the two numbers.
The correct answer is letter B, burning wood. This is not a renewable resource of energy as its by-product involves the release of greenhouse gases that can still be harmful to the atmosphere or to the environment in general. All the other choices are good sources of renewable power because they harness the power of naturally occurring materials found in their space.
Answer: the last ones wrong because to have lots of biodiversity you need different types of plants or organisms
A tundra has little to no trees
The habitat one is correct
Explanation:
I'm pretty sure it's answer D. It's the only answer choice that really makes sense.