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.
Social Inequality in Karl Marx's conception - For him, social inequality was a phenomenon caused by the division of classes and by having, in these divisions, dominant classes, they used the misery generated by social inequality as an instrument to maintain the established dominion over dominated classes.
Social inequality, also called economic inequality, is a social problem present in all countries of the world. It is mainly due to poor income distribution and lack of investment in the social area, such as education and health.
I would say camera it was invented by Ibn ul Haitham.
