Suggest the type of resources we should use more, in order to save our…

Natural resources are classified as renewable — resources such as sunlight, wind, and flowing water that are naturally replenished on an ongoing basis — or non-renewable — resources such as coal, petroleum, and minerals that formed over geological timescales and are not replenished within a human timescale. Environmental protection is generally served by relying more on renewable resources, because when used within their natural rate of replenishment they do not deplete the resource base, and using them (for example for energy) typically produces lower lifecycle pollution and greenhouse-gas emissions than extracting and burning finite reserves.

The question asks which type of resource we should use MORE in order to protect the environment. Renewable resources regenerate naturally and, when their use stays within that natural rate of replenishment, do not deplete the resource base; substituting them for non-renewable resources such as fossil fuels generally lowers pollution and greenhouse-gas emissions over the resource's lifecycle. So increasing reliance on renewable resources supports environmental conservation, making Renewable resources the correct choice.

• Non-renewable resources (this option): a finite resource is consumed faster than it is naturally replenished, so increasing its use accelerates depletion and is typically linked to greater pollution — the opposite of the conservation goal the question describes.

• Human made resources (this option): these are resources created by applying human labour, technology, and capital to raw natural resources, producing items such as buildings, machinery, and roads. This classifies resources by origin (natural versus human made), not by whether they replenish, so it does not address the conservation goal the question asks about.

• Abiotic resources (this option): these are the non-living components of the environment, such as minerals, air, water, and soil, distinguished from biotic (living) resources like forests and wildlife. This classifies resources by whether they come from living matter, not by whether they replenish — and many abiotic resources, such as fossil fuels and minerals, are themselves non-renewable.