Why are igneous rocks the best type of rock sample for radiometric dating? A: they often contain only parent isotope when formed

B: they only contain daughter isotope when formed

C: they contain both isotopes when formed

D: they contain neither isotope when formed

Lola needs to sign 6 invitations. using stopwatch that measures time to tenths of a second, it takes lola 5.3 seconds to sign her full name. going by the accuracy of the stopwatch, which is the most accurate determination for the number of minutes lola needs to sign all 96 invitations

Organisms that successfully adapt will leave to grownone of the above

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons