8.
Which of the 4 structures that make up the urinary system is considered the "superstar" of the excretory system (4 pts)?

urethra

urinary bladder

ureter

kidney

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o