Leaves serve as the reproductive organ for many plants.
a. True
b. False

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass