Answer:
D. Carbon/nitrogen dating
Explanation:
- The geologist uses a variety of the methods to date the ricks and these forms the radiometric dating, and the tree rings, and ice cores. And the radiometric technique is one of the most useful methods to date the rocks in terms of establishing their ages and by the use of the carbon C-14, isotope.
- <u>Some conditions for the dating include the variations in C ratio in the air, isotopic fractionation, and their contamination. As the carbon has an average; the life of about the 40 years, and is 14 is produced in the upper layers of air and the stratosphere by the interaction of the thermal neutrons and the nitrogen atoms.</u>
About thinking about globalization Lets capitalize
MacDonalDs
- one of the famous pizza companies of the world.
- The early time riser who changed the world by establishing the company.
<h3>Den Xiapong </h3>
- The former president of China who opened china for globalisation.
- He is the key of globalisation
Another figures are Russia and America.
- The cold war between them started globalisation
Answer:
It should be B. Whether the ash or gas reaches the stratosphere
Explanation:
thanks though I'll go nbg I
Well, don't hang me if I'm wrong, but judging from the map I saw, I would say B.