Answer: chief of which is a gradual decrease in the fertility and hence the productivity of Egypt’s riverside agricultural lands
Explanation:
Answer:variable interval
Explanation:
In operant conditioning, a variable-interval schedule is defined as that schedule in which a response is received after unpredicted time , because reinforcement has been administered in diffrent non fixed times. The response is slow and steady. Variable means non fixed time which means reinforcement can occur at any time , using various different time zone. Interval refers to time hence this means reinforcement is administered at various times.
The word or phrase to fill into the gap is the "Ku Klux Klan", an extreme right organization calling for what they would call a "purification" of the US-American society.
<u>Answer:</u>
Alternative energy use is a sustainable practice of a post-industrial society.
<u>Explanation:</u>
- Since the advent of industrialisation, the world has heavily relied on energy generated out of burning of fossil fuels. This has led to serious issues of environmental pollution and degradation.
- The term alternative energy use refers to the use of non-polluting, sustainable energy resources.
- Alternative energies include solar energy, wind energy, tidal energy, etc.
- The use of alternative energy is ensures that there is no emission of polluting byproducts from industrial activities.