Explanation:
12. 3 the picture shows adding a stain to the side
They give more/additional information about a certain topic of research.
They help learns to know what they may expect to see on the field
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:
front develop the bundarey where two air masses with different temperature
