The answer is: convection of the core
Answer:
By measuring the quantity of unstable atoms left in a fossil and comparing it to the quantity of stable daughter atoms in the fossil , scientists can estimate the amount of time that has passed since that fossil formed.
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Answer:
8. B. we see comets when they approach the sun.
9. A. the sun's surface.
Answer: a) A landmass
Explanation:
A continent is composed of several huge land masses, a characteristic that differentiates it from the islands or peninsulas.
It should be noted that the sum of the total areas of the Earth's continents is about 148 million square kilometers of land. In addition, the continents constitute most (but not all) of the Earth's land surface.
What are the options
Sorry I can't help
