On the earth’s crust. B is your answer
Answer:
well technically its in central Russia but it covers most of Eastern Russia
Explanation:
C. Eastern Russia
Answer:
Lighter, warm material rises while heavier cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.
Fidel Castro, as he established the one-party, authoritarian state which has been ruling Cuba ever since.
Answer:
C. its age
Explanation:
Rex is most likely trying to figure out the age of the rock formation. It is usually done by comparing the isotopic ratios of the daughter to the parent and their decay rates.
- This is known as radiometric dating.
- Here an exact numerical age of the rock is usually obtained by measuring these isotopic ratio.
- The rate of decay serves as a clock to measure how far the radioactive material has decayed in time
