Answer : scientists determine the absolute age of a rock in millions of years before present rather than just the age of the rock relative to the rock units around it. This information helps geologists develop more precise geological history models for the rocks and regions they study.
Explanation:
A nonrenewable resource<span> is a </span>resource<span> 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 </span>nonrenewable resources<span> in that their use is not sustainable because their formation takes billions of years.</span>
Answer:
D
Explanation:
The Sun because it is the friendly renewable source of energy and also it is the costless renewable source of energy
<u>Answer:
</u>
Once Earth-like planets are identified, the next step would be to check the habitability.
<u>Explanation:
</u>
- Space exploration is meant to understand the outer celestial structures by developing and implementing space technologies. Once the objects are traced out, next step would be to check the habitability.
- This includes various features like climate, temperature, water composition, UV light etc. Ultra Violet radiations could help to start life on any planet as they are the building blocks of life.
