Answer:
Radioactive isotopes break down in a predictable amount of time, enabling geologists to determine the age of a sample using equipment like this thermal ionization mass spectrometer. determining the absolute age of something, usually through isotope analysis; yields an actual number.
Explanation:
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Answer:
B. Rocks, fossils, climate
Explanation:
Rocks :it can make sense if the whole world was a whole rock the... It looks like a puzzle but with some missing pieces
Fossils:of long extinct creaters
Answer:genetic variation of offspring
Explanation:
Proteus- This organism is found on decaying bottom vegetation of freshwater streams and ponds.
Animalcules- This organism is commonly found in muddy swamps or canals.
Dubia- This organism is found on pipe surfaces and bulk water.