The various planets are thought to have formed from the solar nebula, the disc-shaped cloud of gas and dust left over from the Sun's formation.
 
        
             
        
        
        
I think calcium but i could be wrong
        
             
        
        
        
The true statement about the arrangement of vascular bundles in monocot is:
B.) VASCULAR BUNDLES ARE SCATTERED IN THE GROUND TISSUE.
Characteristics of monocots are:
1) has one cotyledon
2) veins in leaves are usually parallel
3) flower parts are usually in multiples of three
4) arrangement of primary vascular bundles in the stem is scattered.