A student is given two samples of carbohydrates. He tests to see if one is glucose and the other one is is starch. Describe the two chemicals tests he should use to identify each carbohydrate.

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?

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

Plant species a has a diploid number of 12. plant species b has a diploid number of 16. a new species, c, arises as an allopolyploid from a and b. the diploid number for species c would probably be a) 12. b) 14. c) 16. d) 28. e) 56.