1 Pretest: Unit 9 Question 11 of 15
Which statement describes a reason that radioactive decay is hazardous?
A. The radiation it releases can kill a person.
B. The radiation it releases can kill cancer cells.
C. It releases an explosion of energy.
D. The process happens in the interior of Earth.

Does this organism still meet the definition of a eukaryote ? why or why not?

Explain what happens at the saturation point when adding salt to water at room temperature.

Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s. part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.