Chapter 3, Problem 27Q

(a)

Interpretation Introduction

Interpretation:

The percent increase for ${\text{CO}}_{\text{2}}$, has to be calculated since 1750.

Concept Introduction:

The equation used to determine percent increase between two numbers:

  $\text{\%}\text{increase}\text{=}\frac{\text{New}\text{no}-\text{Original}\text{no}}{\text{Original}\text{no}}\text{×100}$

(b)

Interpretation Introduction

Interpretation:

The percent increase for ${\text{CO}}_{\text{2}}$, ${\text{CH}}_{\text{4}}$ and ${\text{N}}_{\text{2}}\text{O}$ has to be calculated since 1750 and the one which shows the greatest percentage has to be identified.

The equation used to determine percent increase between two numbers:

  $\text{\%}\text{increase}\text{=}\frac{\text{New}\text{no}-\text{Original}\text{no}}{\text{Original}\text{no}}\text{×100}$