Answer:
"Genghis Khan"
Explanation:
The Mongol Empire began from this union of many wandering clans in the Mongol motherland beneath the power of Genghis Khan, whom a committee declared king of all the Mongols in 1206. Such an empire expanded quickly following his rule and that of his descendants, who conveyed incursions in all directions.That vast transcontinental empire combined the East with the West by a strengthened Pax Mongolica, supporting the distribution and transfer of business, technologies, products, and beliefs beyond Eurasia.
Yes..
Having a positive family environment could support good mental and emotional health, which in turn could lead to better physical health. Strong family relationships marked by open communication, honesty, humour, and reassurance could strengthen your mental and emotional well-being.
Answer:
D) the steady, clocklike decay of certain radioactive isotopes over time.
Explanation:
Geologists use radiometric dating to estimate how long ago rocks formed, and to infer the ages of fossils contained within those rocks.
For example, when rocks are formed, such as igneous rocks (formed when molten rocks cools), certain radioactive atoms are trapped inside the rocks during this formation process. Then these radioactive atoms decay over time.
The age of the rock can be estimated by comparing the occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay.
From the options;
A) this is about the formation of the radioactive molecules and not about radiometric dating
B) this is radiocarbon dating (cabon dating/carbon-14 dating)
C) the <em>assumption </em>is wrong since the radioactive isotopes decays not accumulate.
D) the corect option as I explained earlier.
A student buries an ice cube in a pan of dirt and observes the dirt as the ice cube melts. This activity is a model of the formation of a kettle.