Ineed i keep getting either the answer b c or d know the right answer

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

The pronunciation aid that determines the stress placed upon a syllable is the