Xác định giao tử của các kiểu gen sau Aa, AA, aa, AABB, AaBb, AAbb, AAbb, aabb, aabB, aaBB,

What do heterotrophic cells need to survive?

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

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only