A nonrenewable resource is a resource of economic value that cannot be readily replaced by natural means on a level equal to its consumption. Most fossil fuels, such as oil, natural gas and coal are considered nonrenewable resources in that their use is not sustainable because their formation takes billions of years.
Answer:
Oxygen in the atmosphere is a molecule because it contains molecular bonds. It is an element because it is made from atoms of only one element - oxygen.
Explanation:
An example where space would be a limiting factor would be this: Wolves live in a very good habitat for them - there are plenty of animals to be found and eaten. However, because their current habitat is rather limited, they cannot expand beyond a certain size because otherwise they would interfere with the habitat of each other and also reduce the amount of necessary food in the environment.
Answer:
Explanation:what do you mean?
Answer:
Answer ...They are Autotrophs.
Explanation:
Autotrophs are the group of animals capable of producing their foods. They are referred to as the producers. Plants are regarded as the prime examples of autothrophs. Basically , autotrophs can be categorised into two, these are
* photoautotrophs......those that make use of sunlight.
* chemoautotrophs.....those that create their energy from inorganic materials.
