How does HIV/AIDS affect the economics of Africa?

1 answer:

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In the African countries where HIV/AIDS is a big problem the economies have big problems. People that have it are usually young people, they lack the physical power and the concentration to be effective workers, or they can not work at all, and this affects the economy because the efficiency is very low or non existent from the people that have HIV/AIDS. Also, this means that this people need medical care, an expensive one, and they usually do not have the resources to pay for it, so the governments spend big amounts of money on this as well.

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1. Describe the various types of air masses and how they interact to form the four frontal types. Also include the general weath

grandymaker [24]

Answer:

Fronts are defined as body of two air masses and are of four types.

Explanation:

Air masses always be in motion which brings different types of weather. Transition between the two air masses is a front.Basically there are four different types of fronts and the weather which are associated with them also varies.

So the four fronts are:

WARM FRONT: It has a wide range from 10-100km.Winds move easterly before the front passes.Chances of rainfall increases when the front cloud approaches . And the wind starts blowing southwesterly or southerly and then the temperature becomes warm with the clouds cleared. Has a huge amount of humidity.
COLD FRONT: It is narrow down to a range of <1km.Over a short distance Temperature changes when cold air advances and warm air displaces.Moisture change also causes sharply. At the ahead of the front their is higher moisture content and behind it is lower.

OCCLUDED FRONT: When a cold front catches up with a warm front. Their are both cold and warm occulusions. In a warm occulusion colder air is found behind the front and conversely in cold occulusion warmer air is found at the front end. Winds blow either fromsouth or east. And then it gets shifted from west or northwest.

STATIONARY FRONT: Boundary between warmer and colder front doesn't move. Precipitation may get developed.
Finally the context of midlatitude cyclogenesis leads to understanding the different type of fronts which helps us to know the kind of weather and the knowledge help us to predict how the areas near the fronts will be impacted regardless of precipitation' wind and temperature.

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Scientists believe that _____________ is an example of an internal force that changes the Earth’s crust.

hram777 [196]

Answer:

Scientists believe that plate tectonics is an example of an internal force that changes the Earth’s crust.

Plate tectonics is a theory that describes the motion of seven large plates, and many other smaller plates of the Earth's lithosphere. When they collide they can make mountains or we can feel their motion as earthquakes. Their motion is responsible for the continental shift and it made our continents look the way they look today.

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A____ is defined by types of weather, whereas a ___ is defined by the plants and animals that live their.

dmitriy555 [2]

The Answer Is A. biome;habitat!

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Introduction of tropical cyclone Florence

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