Answer:
As the spies of a cactus are modified leaves, they have ar spaces.
Explanation:
However, leaves of cactus are not like every other leaf. These leaves are in the form of spines to save the amount of water that the cactus needs.
Most of the amount of water, cactus s saving in its root. Also, the stem of a cactus is used for making food, and this is also the way of saving the water.
The lithosphere - rocks
(or geosphere)
The Earth's solid surface is the lithosphere. It includes continental and oceanic crust as well as the various layers of the Earth's interior.
Single or multi-celled structure, membrane-bound organelles, cell(s) larger than prokaryotes
<span>prorostomes and deuterostomes is your answer</span>
