Answer:
Because it is a vector quantity, it has a direction too such that derived unit is made up of two or more fundamental units. That is mere and second. That is why it is called as a derived unit as its unit is metres per second.
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1. Reduced production of waste materials
2. Increased reuse of older materials
3. Use more renewable sources of energy
4. Decrease the rate of fires through alternate means of warmth
5. Burn down less forests and find better means of farming
The process by which forms of life having traits that betterenable them to adapt to specificenvironmental pressures, as predators, changes in climate, or competition for food or mates,will tend to survive andreproduce in greater numbersthan others of their kind, thusensuring the perpetuation of those favorable traits in succeeding generations.