my name is sarwan i had solved the quetions.

1.what is the term used for something that will break down naturally.

a.breakthrough
b.Biodegrade (b)
c.natural break
d.brownfield

2.which part of the atmosphere screens out the harmful radition from the sun?
a.nitrosphere
b.The ozone layer (b)
c.troposhere
d.startoshere


3.what do you call the rain that contain chemical waste and causes damage to plants and animal?
a.smog
b.Acid rain (b)
c.moonsoon rain
d.seasonal rain

4.what is the term used for wild animal protection,careful useful and protection of nature?

a.Bio friendly (a)
b.eco friendly
c.degradation
d.conservation

5.what is the natural environment of of aliving organism called?
a.sroundings
b.Habitat (b)
c.enviromnent
d.biospere

6.what is such accidental discharge of oil into water bodies calles?
a.water pollutant
b.Oil spill (b)
c.marine leak
d.ceanic threat

7.what is the process of collecting,processing and reuseing waste materials called
a.reusing
b.reprocessing
c.reforming
d.Recycling (d)

8.which conusme most water agriculture or industries
a.car wash
b.agriculture
c.Household (c)
d.industry


9.what is substance is dirties the air,water or ground thereby harming the living orgnism called?
a.pesticides
b.Pollutant (b)
c.non-biodegradable
d.life-threating
e.plastic bags

10.unwanted material from an industrial operation; may be liquid ,sludge,solid or hazardous waste is called?
a.reuse material
b.recycle material
c.Industrial waste (c)
d.operation risk
e.industrial source

11.name the substance assimilated by living things that promotes growth?
a.life substance
b.Nutrient (b)
c.growth rate
d.substance factor

12.transmission of energy through space or any medium is called?
a.spectrum
b.Radition (b)
c.osmosis
d.rainbow