All I can answer is up there is cold because as much as u get higher it will get colder
Answer:
4
cuz t not touching any other
Explanation:
I believe it is 618.4 miles
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.
Actually I just took the test and the answer is C. Protestants