The label below provides the number of chromosomes found in the body cells of various types of organisms

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

I’m stuck on this question cuz i’m stupid sksksksk

Which nucleotide component contains nitrogen