What property of oxygen makes it easier for this substance to pass through the cell membrane? It is ionic
It is non-polar
It is inorganic
It is a gas

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy