C. Frequency is a measure of how many waves pass by in one second.
Hello <span>Mr1guy24
Question: </span><span>Radioactive isotopes are used to?
Answer: Determine the absolute age of rocks (A)
Reason: If we want to know the absolute age of rocks, then we use radioactive isotopes to find this out.
Hope This Helps!
-Chris</span>
Answer: I'm pretty sure it'd be that lime juice burns your tongue
also where is choices a and b??
The building sector plays a large role in the energy consumption which includes space heating or cooling, domestic hot water and electricity. Buildings with their long lifespan and huge amount of already existing buildings, makes revision in energy characteristics of a building constrained.