Question

Module 4
Class VII Mathematics
(Critical & Creative Thinking)
This year, despite various bans, there was a lot of pollution on Diwali. This resulted in
the deterioration of air quality.
Post-celebration, city's air
continues to be 'poor'
TRACKING POLLUTION
275
270
265
260
255
BREATHE UNEASY: City's
celebrations add fuel to fire
250
245
240
Lam Tam
Sam Sun 10am 11am Moon 1p 2p 3ppm Spm tom 7pm
AIR QUALITY INDEX AND IMPACT
0-50
101-200 201-300 401-500
Good Mini Moderate! Poor Severe] Affects healthy
mal Impact
Breathing Breathing people and seriously
discomfort discomfort impacts those with
51-1001
to people to most existing diseases
Satisfactory
with lungs, people on
Minor breath-
asthma prolonged
301-400
ing discomfort and heart
Very poor Respira-
exposure
to sensitive
diseases
tory illness on pro-
people
longed exposure
WHAT IS AQI
AQI is the numerical
scale used to assess air
quality, focussing on
calculating the effects
of the air to the health
of people. It looks for
major pollution causing
factors in the air. They
include particulate
matter, ground-level
ozone, sulfur dioxide,
nitrogen dioxide, and
carbon monoxide,
among others
Q1.
At what two times was the AQI 270?
02.
Find the percentage increase in AQI from 8 am to 9 am.
Write AQI that result in bronchitis.
Q3.
Q4.
Why did the city air quality deteriorate post Diwali celebrations?
How are the gases present in the air harmful for the soil?
Q5.

Answer 1

Answer:

can't understand

please mark as brainlist oj99

Answer 2

Answer:

1st) ans 6am and 7pm Iam don't no 2nd one question any one know please answer for 2nd question