Answer: Option D
<u>Explanation:</u>
Recycling can be done through open and closed loop processes. In open loop processes, the original material is not recycled indefinitely and is excluded from the loop and ultimately becomes a waste and degradation.
Where as in the closed loop process, the recycling of the material can be done indefinitely and can be used in the utilization loop which means that there is less of wastage. The closed loop process is more sustainable.
Answer:
2cm squared times 1cm is 2millimetres
NAIROBI, Kenya — From Sudan to South Africa, on shantytown streets and desert battlefields, tribal conflicts are fragmenting Africa’s nations and tormenting its peoples.
Even the anti-apartheid movement in South Africa often is beset by tribal rivalry that in recent months has seen black groups fighting each other, sometimes shattering black unity in the battle against the white government.
2:<span>The Amazon Basin has an extremely interesting
hydrological cycle that controls the local climate, which is able to
sustain all the biodiversity within the region,
3:</span>
<span>Tropical wet climates receive much more rain than tropical dry climates do.
However, the term “tropical wet and dry climate” actually refers to a
single type of climate. Tropical dry climates occur in deserts, while
tropical wet climates usually occur along the rainforest belt. Tropical
wet and dry climates have a distinct dry season and a distinct wet
season, which produces a Savanna habitat.
4:</span>
<span>Proven mineral resources are extensive. Large iron and manganese reserves are important sources of industrial raw materials and export earnings.
5;</span>
<span>The Amazon River carries more water into the Atlantic Ocean than any other river does to any other body of water.</span>
