Answer:
A.They covered in spikes
B.They have thick pleated stems C.They have big waxy leafs
Explanation:
The plant have reduced needle-like structures of leave called spines that limit water loss, that occur during the process of transpiration and so prevent predator from attacking them.
Cactus stem are thick and swollen containing many collapsible water-storage cells that stores water for a relatively long period prevention it from complete dryness.
The stem is green and performs photosynthesis and the plant leaf is covered with thick waxy cuticle which helps to conserve water and protect it from drying from the scorching heat of the sun.
