What is the value of an acid on the PH scale

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures