1.

Under which different types can be following changes be classified:i. Heartbeat.ii. Water pollution.iii. Air pollution.iv. Burning of fossil fuelv. Ripening of fruit.vi. Change-in climate.vii. Melting of ice into waterviii. Germination of seed.x. Bursting of balloon.

Answer»

i. Periodic change

ii. Manmade, harmful change

iii. Manmade, harmful change

iv. Manmade (irreversible change)

v. Natural, chemical

vi. Natural, periodic

vii. Physical change

viii. Natural, slow, desirable.

ix. Irreversible change (fast).



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