There are two types of natural resources. The first are renewable natural resources. They are called renewable because they can grow again or never run out. The second are called nonrenewable natural resources.
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
With 1 cup it is 16 tsp while 2 cup it makes a pint.
Answer:
Stellar Nebula
Explanation:
Stellar nebula is simply the nebulosity that surrounds the star.
A nebulla is a giant aggregation of gas and dust in the space.
A stellar nebula is an interstellar cloud that is composed of helium, dust , hydrogen and plasma.
Nebulae are formed of their own gravity,
