Question

A student has arranged four small tubs for an activity. In tub A, he kept some small piece of plastic carry bags covered with wetsoil. In tub B, he kept some vegetable peels covered with wet soil.IntubC,he kept some piece of papers covered with wet sand and soil and intub D, hekept leftover waste food from his mom’s kitchen .After a few months he noted his observation that leaving one tub ,the items in the rest of the tubs are decomposed. The tub without decomposition is
A) tub A
B) tub C
C) tub D
D) tub B​

Answer 1

Answer:

A tub is an open-top circular or oblong container. In earlier times they were made from wooden staves held together with iron hoops and were made by coopers. Modern tubs used in industry might be made from concrete, metal or plastic.

Rice in a wooden tub

Tub of cottage cheese, lid, and lidding film

Tubs of wood filler. Break-away tab releases lid from security band

Reusable plastic tub for home storage

Large tub being used as an ice chest

Small plastic tubs used in the home may have a separate or attached snap-on lid or cover; some tubs may have latched lids.

Tubs are used for multiple packaging applications as well as household and industrial storage.

Answer 2

Answer:

The answer is a option B

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