I need help on this and the first person who answer correctly gets a BRANLIST.. I dont know if I pick the right answer so thats why I need help!!​

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?