Read the given statement and assumptions carefully and decide which of the assumptions is/are implied from the statement.
Statement:
Pollution is one of the major causes leading to the weather imbalances throughout the world. It must be checked by combined efforts of all.
Assumptions:
I. Weather imbalances affects everyone throughout the world.
IL. Water pollution is causing many diseases.
‘Chose the correct option.

Assumption I, statement mention that pollution leads to weather imbalances "throughout the world", implying that these imbalances affect everyone globally.
Assumption II, as the statement only mentions pollution in general, without specifically mentioning water pollution or its effects on human health.

So, Only I Assumption is implied.

Thus, Option D is the correct answer.