Opposing muscles of the upper arm are the .
a. triceps and ulna
b. ulna and biceps
c. tendons and biceps
d. tendons and radius
e. biceps and triceps

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

In which part of the body is a ball-and-socket joint found?

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury