You are flying in an airplane at 36,000 feet above sea level. You see lightning outside your plane window. The cloud that is close by is:

28. evolution

29. environment, survive, offspring  

explanation:

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by

at right angles to each other

the answer should be in the picture.