Birds have hollow bones due to the fact thay need to be as light as possible for their wings to generate enough lift for them to fly
Answer:
The amount of fossil fuels formed is much less than the amount used.
Explanation:
Fossil fuels, which include petroleum, coal, natural gas etc are an example of non-renewable sources of energy. They are termed non-renewable because they are sources that gets exhausted quickly without replenishment.
One of the characteristics of non-renewable sources of energy is that they get exhausted faster than they can be produced. Hence, regarding fossil fuels as an example of non-renewable source of energy, this means that the amount of fossil fuels formed is much less than the amount used.
I believe it would be the reptile kingdom!
Cell reproduction is MOST applicable to growing and developing in organisms. Hope this helps!
Answer: GROW and DEVELOP
