Renewable resources need to be conserved because
Renewable resources are exhaustible and we need to conserve them. We are using them faster than they are replenished by nature
A substrata which produces sufficient energy on burning is called
It is an important fraction of petroleum. It is farther distilled to get lubricating oil and paraffin wax.
The resources that either never run out, or those that are replaced within a reasonable period of time through natural processes are called as
Renewable resources are those resources which will either never run out or those which are renewed within a reasonable period of time through natural processes. Non-renewable resources are those which once used up cannot be replaced or renewed within a reasonable period of time. Examples: sunlight, oxygen.
Which of these is NOT a renewable resource?
Destructive distillation of coal produces
The best quality of coal is
Which of the following is a non-polluting fuel for vehicles?
Which energy is contained in fuels that is locked within the chemical bonds of their constituent molecules?
A fossil fuel is