Question # 1

the inclusion of unnecessary and harmful substanes in the eavironment that make it unsuitable for life is called.

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Neat and cleanliness

Environmental pollution

Air pollution

Clean environmental

The substances cause pollution are called.

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Pollutants

analysts

Creator

Consumers

The example of reptiles is

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Snake

Newt

Toad

Frog

Sound is produced by

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Vibrating object

Transparent object

Opaque object

Translucent object

Oposite charges ........ each other.

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Attract

Repel

Hot

Not effected

Which one is a true statement.

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North pole attracts north pole

North pole repels north pole

South pole repels north pole

Sourth pole attracts south pole

___________ is used in refrigerator.

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CFL

CBC

Chloroflourocarbon

BFC

Second name of Rhizopus is

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Mushroom

Black bread mold

Spirogyra

Yeast

To put organisms into separate gourps on the basis of similariteis and difference is called.

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Division

Classification

Taxonomy

Giving scientific name

The microorganisms that cause diseases are called.

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Pathogen

Harmful insects

Microorganism

Beneficial insects

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