Name two geographic obstacles and one political obstacle that stood in the way of the construction of the Panama Canal.

Answer: The two geographic obstacles that stood in the way of the construction of the Panama Canal was that Panama was very mountainous, and there were a lot of mud slides. One political obstacle was that Panama was part of Colombia. The united states had to negotiate with Colombia before Panama became independent. Engineers had to build a dam, design and build locks, and remove huge amounts of earth and rock in order to overcome the geographical obstacles.

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6 0

3 years ago

In relation to the structure and size of the sun how are the following achieved absorption , reflection,transmission,scattering

Setler79 [48]

Answer:

Explanation:

Scattering of solar radiation within the atmosphere also accounts for a reduction of energy reaching Earth. Atmospheric gas molecules and aerosols deflect solar radiation from its original path, scattering (reflecting) some radiation back into deep space and some toward Earth's surface.

Once the sun's energy reaches earth, it is intercepted first by the atmosphere. A small part of the sun's energy is directly absorbed, particularly by certain gases such as ozone and water vapor. Some of the sun's energy is reflected back to space by clouds and the earth's surface.

A Quick Overview of Light Absorption

In absorption, the frequency of the incoming light wave is at or near the energy levels of the electrons in the matter. The electrons will absorb the energy of the light wave and change their energy state.

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5 0

3 years ago

What for variables can affect the number of Fish in a lake

alexdok [17]

The amount of things that could harm them such as waste, other things trying to eat it, or their diet.

6 0

3 years ago