1) (A) Differentiate between inexhaustible and exhaustible natural resources.
(B) Give the uses of the following:
(i) Kerosene (ii) Lubricating oil (iii) Paraffin wax (iv) Diesel
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1. a) Exhaustible resources
- These resources are non-renewed once exhausted
- They are non replenishable resources and finite
- Example: Iron, coal etc.
Inexhaustible resources
- These are renewable or replenishable resources.
- These resources have the ability to renew them in a given period of time and infinite.
- Example: sunlight, water etc.
B) i. It is obtained from petroleum and is used for burning in kerosene lamps and domestic heaters or furnaces, as a fuel or fuel component for jet engines.
ii. Lubricating oil, sometimes simply called lubricant/lube, is a class of oils used to reduce the friction, heat, and wear between mechanical components that are in contact with each other.
iii. It's often used in skin-softening salon and spa treatments on the hands.
iv. Diesel fuel is mostly used in high-speed diesel engines, especially motor-vehicle.
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