Question 7 of 25 What is a model? A. A representation of the physical world
B. A mixture of two metals
C. An element on the periodic table
D. A type of atom SUBMIT​

Lithium diisopropylamide [(ch3)2ch]2nli, referred to as lda, enjoys many uses as a strong base in synthetic organic chemistry. it is customarily prepared by the reaction of diisopropylamine [(ch3)2ch]2nh with butyllithium. draw the products of the reactions in the appropriate boxes and select the acid, base, conjugate acid, and conjugate base. be sure to answer all parts.

1. list three scientific reasons cockroaches may fly.

What is i fracture in the crust called when land move up, down or sideways