Darker skin is more prevalent in high-uv areas. dr. nina jablonski proposed a hypothesis to explain the selective pressure for darker skin in these environments. on what evidence did she base this hypothesis?

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?

Read the article and use the information to answer the questions that follow discovering the structure of dna explain how the discoveries by rosalind franklin watson and crick build an accurate model of dna done

Which is an inner plant a. earth b. saturn c. jupiter d.neptune