Natural resources are materials that come directly from nature. Which among the following is a natural resource?

There are many natural resources that we use for our economic benefit.

Some examples are: coal, oil, natural gas, gold, silver, copper, wood, meat, fruits and vegetables.

Some of these natural resources are renewable, like water, others are not, like oil. For this reason, natural resource management is a very important task and most governments have a specialized area in charge of their management and control.

the right answer is a

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.