Explanation:
disavantage
many diseases are caused due to spread of mosquitoes, worms and insects on account of stationary water in canals.
advantage
economic development can be expedited by avoiding dangerous droughts. depending on rainfall can be minimized through canal development.
Answer:
Answer: hydrosphere is related to the water,when hydrosphere gets polluted it inadvertent and deliberate discharge of petroleum, and thermal pollution also are seriously affecting the quality of hydrosphere.
Its the official language of Pakistan therefore it is spoken there. its also spoken widely in western india
hope this helps you
Answer: Hypothesis: <u>is a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.</u>
Theory: <u>a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.</u>
Both: A hypothesis is either a suggested explanation for an observable phenomenon, or a reasoned prediction of a possible causal correlation among multiple phenomena. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable. ...In science, a theory is a tested, well-substantiated, unifying explanation for a set of verified, proven factors. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable.
your best answer would be B)
