In preparing students to write a chemical equation we often use analogies. Let's write an equation for the construction of a car with just 2 door. We'll use doors, body, interior, tires how to write it?

The question is incomplete, complete question :

In preparing students to write a chemical equation, we often use analogies. Let's write an equation for the construction of a car with just 2 doors. We'll use doors, body, interior, tires.

a. 2 doors + 1 body + 1 interior + 4 tires → 1 car

b. doors + body + interior + tires → car

c. 4 doors + 1 body + 1 interior + 4 tires → 1 car

d. 2 doors + 1 body + 1 interior + 4 tires == 1 car

The correct option is a.

Explanation:

Chemical equation is defined representation of a chemical reaction occurring in the reactants to give product.

While writing a chemical reaction, reactants are written on the left followed by arrow indicating towards right and then products.(Sign if equal to not written in a chemical equation)

Reactant → Product

An equation for the construction of a car with just 2 doors.

2 doors + 1 body + 1 interior + 4 tires → 1 car

Hence, the correct answer is option a.

- decrease the number of plants and animals living in the water.

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).