Answer:
Radioactive isotopes are unstable and will decay. ... The isotopes will decay into a stable isotope over time. Scientists can tell how old the rock was from looking at the radioactive isotope's half-life, which tells them how long it would take for there to be half the radioactive isotope and half the stable isotope.
Answer:
Wegener Studied Jet Stream to find evidence for past climate data
<span>C. geology
all of the others are about space and oceans, also, can you please try answering my latest question
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Answer:
B. white or light colored
Explanation:
I put “A” like the other person said and got it wrong.
A because the wind would most likely pick up ten grass
