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seraphim [82]
3 years ago
12

What does infrastructure refer to? process by which a nation improves the economic, political, and social well-being of its peop

le level of farming in which a person raises only enough food to feed his or her family services and facilities necessary for an economy to function
Physics
1 answer:
Travka [436]3 years ago
7 0

Answer:

Infrastructure is the term for the basic physical systems of a business or nation—transportation, communication, sewage, water, and electric systems are all examples of infrastructure

Explanation:

These systems tend to be high-cost investments and are vital to a country's economic development and prosperity.

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Explain how we know dark matter exists if we cannot see it
Lubov Fominskaja [6]

Answer:

Gravitational lensing is how we know there is dark matter

What this means is that the light is bending as the light travels from the source to the observer, and if there are any 'holes' in between the beam, that is where 'dark matter' exists

Explanation:

5 0
3 years ago
PLZZZZZZZZ HELP FOR 25 POINTSS !!!!!!!
trasher [3.6K]
The answer is B, luminous. Because of that fact that absorbing is taking light and Illuminated means having light because of a different light source. Luminous means bright and having lots of light. Hope this helps :)
7 0
4 years ago
Read 2 more answers
If kinetic energy of a body of mass 10 kg is 2000 J find velocity ​
weqwewe [10]

Answer:

I guess answer is 10m/s.

Explanation:

Kinetic Energy=1/2 mv^2

or,2000J=1/2×10kg×v^2

or2000J=5kg.v^2

or,2000J/5kg=v^2

or,100J/kg=v^2

or,v=10m/s

6 0
2 years ago
La estrella mas proxima a la tierra esta a 2 años de luz. Calcula esta distancia en unidades del SI
tino4ka555 [31]

Answer:

2\ ly=1.89\times 10^{16}\ m

Explanation:

The question says that, "The closest star to the earth is 2 light years away. Calculate this distance in SI units".

Given that,

The distance between the closest star and the Earth is 2 light years.

The SI unit of distance is m. It means we need to convert light years to meters. We know that,

1\ ly=9.461\times 10^{15}\ m

2 light-years means,

2\ ly=2\times 9.461\times 10^{15}\ m\\\\=1.89\times 10^{16}\ m

So, the required distance is equal to 1.89\times 10^{16}\ m.

5 0
3 years ago
The energy diagram shows the changes in energy during a chemical reaction.
yanalaym [24]

Answer:

D

Explanation:

reactants have higher potential energy and energy is absorbed

3 0
3 years ago
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