A sample of gas is held at constant volume. If the absolute temperature of this sample of gas is doubled and the pressure of this sample of gas is halved, what happens to the number of moles of the gas?
Select one:
a. The number of moles is doubled.
b. The number of moles is halved.
c. The number of moles is quadrupled.
d. The number of moles is quartered
e. The number of moles stays the same.

electron microscopy and scanning tunneling microscopes gives us a greater understanding of atoms by being able to see the atom itself, and lets us see some atomic reactions.

explanation:

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

wher is the rest of the question