Shes crying because she has only $1.87 to buy her husband a present so we should assume that its the first one.
Well what are you doing??
Brainliest??
Deems on what you writing , are you taking notes , and if so for what? Or like a paragraph or essay ? There are many different ways
Answer:
heat from the decay of radioactive elements.
frictional heating, caused by denser core material sinking to the center of the planet
Explanation:
