What is one disadvantage of desalination?
a - the process kills fish.
b - the process uses fuel that is expensive.
c - the process makes water that is unsafe to drink.
d - the process is too difficult to carry out in big cities.

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees