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Fittoniya [83]
3 years ago
15

What materials reflect radiation

Geography
2 answers:
love history [14]3 years ago
8 0
Plastic,water,acrylic/glass,
Daniel [21]3 years ago
4 0
Aluminum, and beta particles, hope this helps
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14. Which of the following is likely the biggest threat to the existence of the European
8090 [49]

Answer:

Average life expectancy in most European countries extends well past the age of retirement.

Explanation:

The European Union, or at least most of its members, tend to have relatively good welfare systems. This is the case because of the strong economies of the countries but also because it helps the population, which in turn tends to have positive effects. Some countries are even targeted for migration just because of their generous welfare system.

This situation is very likely to change though as there is a very big chance that the economies of the European countries will not be able to sustain the welfare systems that they currently have. The main reason for this is that the population is aging. With the population becoming older and older, there are more and more people that rely on the welfare system, creating a disbalance in its functioning. On top of that, life expectancy is high and is gradually increasing, meaning that not just more people will rely on the welfare system but also for a longer period of time.

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3 years ago
Favourable conditions for harnessing SOLAR ENERGY​
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Answer:

The most favorable condition for harnessing solar energy is clear skies and sunny weather

Explanation:

it can attract more solar energy because it doesn't have obstacles  

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3 years ago
Cual es la ventaja y desventajas de colinas para el ser humano
KonstantinChe [14]

Answer:

la colina es un nutriente esencial soluble en agua. Se suele agrupar con las vitaminas

8 0
3 years ago
. Explain the distribution (this includes DENSITY & CONCENTRATION) of the world's population. Be sure to identify specific r
Kay [80]

Answer:

The concepts of population distribution and density are so closely related to ... In most countries of the world the geographic distribution of the population is not even with varying degrees of concentration of population giving rise to varying densities in the ... mainly responsible for discouraging inhabitation in certain areas.We can define population distribution as the pattern of where people live. Population distribution is

perhaps the most essential of all geographic expressions, because the ways in which people have

organized themselves in space at any given time represent the sum of all of the advances they have

made to their overall geographical area. Population distribution can also describe how people are

arranged according to different variables such as age, sex, religion, or race.

World population distribution is uneven. Sparsely-populated regions are usually harsh places to live.

These places usually have hostile environments; some examples are the Sahara Desert or Antarctica.

Densely populated areas have more habitable environments – for instance, most of Europe.

When we talk about population and its characteristics, it is easy to confuse similar concepts. For

example, you may confuse population distribution with population density. Population density is the number of people per unit of land area, whereas population distribution is the pattern of where the

people live. When you study population distribution and density at the global level, they are both

usually depicted graphically by how many people live in a square mile. When you study population at

the local or regional level, you can get a better view of patterns in where people live and how they’re

distributed. There are three basic patterns of population distribution: they can equally-spaced apart

(uniform dispersion), randomly spread out with no predictable pattern (random dispersion), or bunched

in groups (clumped dispersion).

An example of population distribution is the fact that China’s natural physical conditions resulted in

uneven population distribution. There is a huge contrast in the number of people living in eastern China

compared to the distribution in the western part of the country.

An example of population density would be that the in 2016, the population density of the United States

was 91.5 people per square mile of land area.

Explanation:

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3 years ago
What is the caved in surface on volcanoes called?<br><br> Crater<br> Magma chamber<br> Vents
murzikaleks [220]
The answer is crater!!
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3 years ago
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