I need this answered ASAP

A gametophyte of club mosses ???

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

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Moving down the ramp from 6 meters to