Which of the following statements are true.
A. Conductors consist of metals, like silver, copper, iron. Insulators consist of nonmetals like wood, plastic, wool.
B. Conductors consist of nonmetals like wool, wood, plastic. Insulators consist of metals like silver, copper, iron.
C. Conductors consist of nonmetals like wood, gold, steel. Insulators consist of metals like plastic, wood, silver.

A. Conductors consist of metals, like silver, copper, iron. Insulators consist of nonmetals like wood, plastic, wool.

Explanation:

Conductors are objects which permits the free flow of electrons(electric current). Examples of conductors include metals such as silver, copper, iron etc.

Insulators are objects which doesn’t permit the free flow of electrons(electric current).Examples include non metals such as wood, plastic, wool etc.

33: i think it’s b

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle