Answer:
C. Varieties of an element that differ only in the number of neutrons are called isotopes.
Explanation:
The Earth is approximately
old. The solar system formed from giant gas clouds which was a part of the solar nebula.
The surface of soil which demarcates two soils of different geological ages is called a unconformity.
Palesol is the soil that lies between sediments or volcanic deposits. If the paleosol is older they have lithified rock.
Hence, option C is true.
Mostly due to carbon emissions but there are many other ways that humans have contributed to global warming
<u>here's</u><u> </u><u>a</u><u> </u><u>few</u><u> </u><u>for</u><u> </u><u>good</u><u> </u><u>measure</u>
- watch for red light runners. count to three before entering an intersection on a green light.
- watch for pedestrians.
- do not tailgate.
- scan twelve seconds ahead.
- perform engine maintenance regularly.
<u>hope</u><u> </u><u>this</u><u> </u><u>helps</u> :)