Radiometric dating is dating a rock or mineral by measuring the proportions of an original radioactive material and its decay products. We need to know the rate at which radioactive decay occurs and <span>how much radioactive decay has occurred. Hope this answers the question. Have a nice day.</span>
Answer:
D. In the mantle
Explanation:
The core of the Earth is extremely hot, and material in the mantle close to the core is heated
Answer:
Letter B - India/Pakistan
Explanation:
The venue of the Green Revolution in India allowed to prevent a massive famine in India and Pakistan in the early 1960's, saving a great number of people in this second most populated country of the world.
A Mexican research team introduced a new variety of wheat in India during that period and that earned them a Nobel Prize in 1970.
Calhoun was vice president of the United States in 1824 under John Quincy Adams and was re-elected in 1828 under Andrew Jackson. Jackson was for the Tariff of 1828 and caused Calhoun to be opposed to Jackson, which led to Calhoun's resignation in 1832.
<h2>
Russia has the lowest population density in Eastern Europe.</h2><h2 />
Explanation:
Russia is the country with negative growth rate. The estimated population of 2020, is 145.93 million. At present, it ranks the 9th populated country. The largest city in Russia is Moscow with a population of 12.1 million people.
Due to the harsh climate, Russia is the most sparsely populated countries throughout the world. Russia is an urban country as 74% of Russians live either in towns or in cities.
Recently, the population has increased rapidly as people shifted from the remote areas to cities for better opportunities.