Question

what human activities are responsible for certain deposits like smoke and dust on leaves​

Answer 1

Answer:

burning fuels & soil erosion

Answer 2

Nearest road, quarries, cement works, industrial areas, etc are responsible for deopsits like dust and smoke on leaves.

EXPLANATION:

• Car emits smoke and dust which are deposited on the leaves.

• Various industrial works led to emission of smoke from chimneys.

• Cement factories release much dust that gets deposited on the leaves

• Construction and demolition sites have greater impact on the leaves.

• Parking lots have much cars and there is a deposition of dusts.

• Smokes from brick industry also releases smoke.

• Unpaved roads also releases much dusts particles whenever any vehicles passes.