Question

Define
ii. Artificial change:
iii. Irreversible change
iv. Periodic change
(if you answer well I will mark you as brainliest)

Answer 1

1. Artificial Change:- The Change Which Are Made By Human Being i.e. Man-made Change is Known as Artificial Change.
2. Irreversible Change:- The Change Which Cannot be Reversed or convert back to previous form of a substance is Known as irreversible change.
3. Periodic Change:- The Change of any substance according to time or if any substance Change with time is Known as Periodic Change.

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Answer 2

Explanation:

Irreversible changes:These are the changes which cannot be brought back to its stretching of rubber.

periodic change -changes which are repeated after regular intervals are called periodic changes. The occurrence of day and night and even the change of periods in your school are examples of periodic changes. Changeswhich do not take place periodically, such as freezing of water to form ice, are non-periodic changes.

Artificial changes-Melting of glaciers due to global warming. Air pollution due to smoke created by burning of fuels and automobiles. Water Pollution due to draining of chemicals and wastes in the water bodies. Floods and droughts due to deforestation.

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