6.3

Question 1

Symptoms of mercury poisoning

Answer 1

Rashes
Toothless
Numbness
Tremors
Slurred speech
Devastating eeffcts on the muscles and nervous system 
Reproductive problems
Birth defects

Question 2

Human activities that increased mercury levels in the environment

Answer 2

Burning coal for energy
Mercury’s levels in coal are low but mercury atoms spread in atmosphere
In environment mercury gets more connectrated
Falls with precipitation and contaminated water
Methymerxury
Bacteria in water changes mercury to even more toxic methymercury

Question 3

Wabigiin watet system

Answer 3

Pulp sand paper mills used chlorine bleach to make white paper
Chlorine was manufactured using mercury
In Dryden disposal was not monitored

Question 4

Cfcs

Answer 4

Chlorofluorocarbons

Used to keep refirdgerators cool as they are non toxic and non flammable

Question 5

CFC found in

Answer 5

Refrigerator
Aerosol sprays
Asthma medications

Question 6

Causes of cfcs and solution

Answer 6

Destroyed the ozone layer

Representatives met in Montreal in 1987 and stopped its use

Question 7

Benezebe use

Answer 7

Acetate sheets manufacturing
Dyes
Detergents
Aspirin

Question 8

Top produced chemicals in north America

Answer 8

Sulphuric avid
Benzene
Ammonia
Noticed acid

Question 9

Benezene regulations

Answer 9

No workers are exposed to higher than 1 ppm concentration of benezene
If they are they must wear a activated charcoal filter mask

Question 10

Managing hazardous substances

Answer 10

Understanding the properties of substances and how to use the substances safely
Designing inovative equipment and processes
Placing personal safety and environmental protection as the top priority
Enforcing effective regulations