Please read the question carefully! Order the layers of the atmosphere bottom to top from the layer humans live in at the bottom to the outermost layer at the top

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils