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vladimir2022 [97]
3 years ago
8

What has been the impact of declining harvests and years of drought on african subsistence farmers?

Geography
1 answer:
NikAS [45]3 years ago
4 0
Africans are prone to drought because of their climate condition. Plants do not yield as planned because of poorly nourished soil.  A big part of African land regularly experiences drought. Poverty and unemployment are also a few of the primary impacts in the country and the lack of food to supply the people of Africa is one concern they have to face. 
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The many volcanoes located along the edge of the Pacific Ocean make up the Ring of Fire. How does subduction play a role in the
sertanlavr [38]
<span>The most volcanically active belt on Earth is known as the Ring of Fire, a region of subduction zone volcanism surrounding the Pacific Ocean. Subduction zone volcanism occurs where two plates are converging on one another. One plate containing oceanic lithosphere descends beneath the adjacent plate, thus consuming the oceanic lithosphere into the earth's mantle. This on-going process is called subduction. As the descending plate bends downward at the surface, it creates a large linear depression called an oceanic trench. These trenches are the deepest topographic features on the earth's surface.

</span>
<span>The crustal portion of the subducting slab contains a significant amount of surface water, as well as water contained in hydrated minerals within the seafloor basalt. As the subducting slab descends to greater and greater depths, it progressively encounters greater temperatures and greater pressures which cause the slab to release water into the mantle wedge overlying the descending plate. Water has the effect of lowering the melting temperature of the mantle, thus causing it to melt. The magma produced by this mechanism varies from basalt to andesite in composition. It rises upward to produce a linear belt of volcanoes parallel to the oceanic trench, as exemplified in the above image of the Aleutian Island chain. The chain of volcanoes is called an island arc. If the oceanic lithosphere subducts beneath an adjacent plate of continental lithosphere, then a similar belt of volcanoes will be generated on continental crust. </span>
8 0
3 years ago
What is the difference between climate and weather?
wolverine [178]
Climate refers to weather conditions for a region over a period of time.
4 0
3 years ago
During the period each year when we see mars undergoing apparent retrograde motion in our sky, what is really going on in space?
elena-s [515]
It's the point where we are passing it while we're orbiting the sun and it looks like it's moving backwards
4 0
3 years ago
Approximately how many crops are grow on a latifundia style plantation
Vikentia [17]
One crop is all they grow

7 0
3 years ago
The two major volcanic regions are at the island arc and ring of fire. true or false
GuDViN [60]
The answer is True.

Many people doubt it because it's just sound too fictional.

Ring of fire located in the basin of pacific ocean, a large number of earthquake and volcano eruptions happen here.

The island arc is a string of islands formed by volcanoes along deep ocean trench.

Hope it helps
7 0
3 years ago
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