focus Non-renewable and non-replenishable resources are materials from the Earth's crust such as ores, minerals, and fossil fuels.
(focus Non-renewable and non-replenishable resources; are; materials from the Earth's crust such as ores, minerals, and fossil fuels)
focus Non-renewable and non-replenishable resources
are
materials from the Earth's crust such as ores, minerals, and fossil fuels