The stomata of many cacti lie deep in the plants' tissues. This adaptation helps cacti reduce water loss by keeping the hot, dry wind from blowing directly across the stomata. The leaves and stems of many desert plants have a thick, waxy covering.
C) thick waxy cuticle.
Answer:
Gene, a part of DNA that determines the trait of individual characteristics
Explanation:
Tributaries
I wound think that they would be branching of so thats what i would say