10. In order to be considered science, a concept must be (2 points) O questionable and testable
O obvious and factual
O testable and obvious
O testable and observable

Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals

Draw the structure of dna nucleotide with adenine as nitrogenous base

The cluster of developing cells from conception until birth is called an