Hc2h3o2 goes to c2h3o2 did it gain or lose a proton

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

Everything that surrounds a particular organism

What is used as a template during replication? a- mrna b- trna c- rrna d- dna