Man's Dilemma

Question 1

reduce

Answer 1

to lesson in any way ,such as to lower the amount or to make something smaller.

Question 2

reuse

Answer 2

to use something again

Question 3

waste

Answer 3

in nature something that has been left over ,not used or discarded

Question 4

landfill

Answer 4

garbage that is stacked and covered with earth

Question 5

pollution

Answer 5

enviromental contamination with man-made waste

Question 6

hazardous

Answer 6

dangerous or toxic

Question 7

leachate

Answer 7

liquid waste that seeps from landfill material . Leachate often toxic and contaminate ground water

Question 8

non-renewable

Answer 8

materials that can’t be recovered after they are used.Most petroleum products are non-renewable as they take years to produce

Question 9

recycle

Answer 9

to reuse materials instead of disposing of it in a landfill site

Question 10

renewable

Answer 10

something that can be replaced . Trees are a good example of a renewable resource

Question 11

corrosive

Answer 11

a substance that is capable of dissolving metal

Question 12

dump

Answer 12

old term for landfill . A place where waste is simply piled and buried without sorting or treatment

Question 13

flammable

Answer 13

a substance that catches fire easily

Question 14

garbage

Answer 14

old term for waste

Question 15

biodegradable

Answer 15

able to decompose in nature . Able to be broken down or decay Subject to the action of decomposers

Question 16

Advantages to Landfills

Answer 16

1. buried waste can produce energy and can be obtained by the conversion of landfill gases
2. waste products can be used as direct fuel for combustion or processed into another fuel
3. a specific location for waste than can be monitored
4. the land can be reclaimed and used for parks or farm land
5. waste can be processed and all recyclable materials can be used before closing
6. methane gas that is produced by the underground decomposing material can be captured

Question 17

Disadvantages to Landfills

Answer 17

1. areas surrounding the landfills can become heavily polluted
2. landfills can pollute, air, water, and soil
3. it can be difficult to keep dangerous chemicals from leaching out into the surrounding area
4. many rodents and insects are attracted to landfills resulting in dangerous diseases
5. chemicals can seep into the ground water system
6. disease and illness in communities around landfill

Question 18

examples and definition of flammable

Answer 18

gases, liquids, solids
easily set on fire near heat, flames, sparks
ex. gasoline, polishes, aerosol cans, rubbing alcohol, house paint

Question 19

examples and definition of explosive

Answer 19

materials that explode if heated or punctured

ex. aerosol cans, propane tanks, spray paint, fire extinguisher

Question 20

examples and definition of corrosive

Answer 20

attack or corrode metals, cause permanent damage to human tissues - burn eyes, skin on contact - burn stomach, throat if swallowed
ex. oven cleaner, drain cleaner, battery acid, ammonia, paint thinner

Question 21

examples and definition of poisonous

Answer 21

eating, drinking, licking, smelling these materials can cause illness or death
ex. methanol, oven cleaners, insect killers, antifreeze drain cleaners, floor wax