Answer:
Drought in the Sahel in the 1970s and 1980s made it look like the desert was expanding, because the reduction of rainfall at the desert margin (the Sahel) caused a reduction in vegetation. Warm, moist air rises near the equator, then cools and condenses its moisture, which falls as rain or snow
Answer:
- He can only catch old fish (past the reproductive age).
Explanation:
As per the given description, the strategy that the commercial fisherman can employ to ensure the sustenance of population of tuna fishes in long-term would be 'catching only the old fish past their reproductive age' as it would give time and space to tuna population present in the water to reproduce and multiply its population in the meantime. This technique is recognized as 'purse seining' where the fisherman would target the old fishes and reduce the bycatch of tuna fishes so that its over-exploitation could be held for a while and give them required time to regain their population.
Answer:
In scientific terms, a car is an energy converter: a machine that releases the energy locked in a fuel like gasoline (petrol) or diesel and turns it into mechanical energy in moving wheels and gears.
Explanation:
because both Spain and Portugal established colonial empires during the 15th century
Answer:
<em>a. Castilla la Mancha</em>
