Deserts are A) dry with little organic matter. Although it seems that D might be correct in fact it is not because desert soil is not totally unable to support plant life because in fact some plants grow in the desert and especially following a rain storm the desert can bloom with plant life.
They all produce milk, have fur, and are warm blooded. Platypuses are crazy though and lay eggs even though they’re technically mammals too.
That statement is FALSE
The correct statement would be : In a function, EVERY element of the range must map to exactly one element of the domain
hope this helps