Which of the following represents the first offspring of the parental generation? Question 9 options:

P

F1

F2

F3

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Which part of cellular respiration must occur before any of the other steps can occur

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils