GEOGRAPHY MIDDLE SCHOOL

Which human activity has probably contributed most to the acidification of lakes in Adirondack region

Answers

Answer 1
Answer:

ANSWER:

Burning of fossil fuels has contributed most to the 'acidification of lakes' in Adirondack region.

EXPLANATION:

  • When 'fossil fuels are burnt',they release air pollutants that contain nitrogen and sulphur.
  • These elements form nitrogen dioxide and sulphur dioxide when they are released into the air.
  • Further, these gases react with water to form acids. This acid then falls along with precipitation when it rains and that is why rain is called acid rain.
  • This acid rain results in the deposition of acids on the surface of water bodies as well as other landforms on the earth.
Answer 2
Answer: The answer is acid rain due to pollution.

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Why should united states and canada protect their natural vegetation?

Answers

Answer: because after all if all natural things die we will too assuming most people depend on natural vegetation to live.

Explanation:

Which plate is covering most of two continents? What two continents?

Answers

The plate that is covering most of two continents is caled "Eurasian Plate".
The 2 continents it covers are Europe and Asia
Europe and Asia are position on the Eurasian plate.

I need a simple diagram that I can easily understand tectonic plates...

Answers

Divergent is going aprt

Convergent is going together

Transform is going past each other like in a slanted way

If the Nubian Plate is moving eastward at 2 centimeters per year, and the Somali plate is also moving eastward but at a rate of 2.75 centimeters per year, how many kilometers apart will the two plates be after 45 million years?

Answers

Answer:

Use the rate equation to find the distance that each plate moves. Begin by multiplying speed by time for the Nubian Plate:

distance  = speed × time

= 2 cm/yr × 45,000,000 yr

= 90,000,000 cm

The question requires the distance in units of kilometers. Convert the distance using the ratio, 1 km = 100,000 cm:

90,000,000 cm X 1km/100,000 cm = 900km

Next, multiply speed by time for the Somali Plate:

distance  = speed × time

= 2.75 cm/yr × 45,000,000 yr

= 123,750,000 cm  

The question requires the distance in units of kilometers. Convert the distance using the ratio, 1 km = 100,000 cm:

123,750,000cm X 1km/ 100,000 cm = 1,237.5 km

Finally, subtract the distance traveled by the Nubian Plate from that of the Somali Plate:

1,237.5 km - 900 km = 337.5 km

The Nubian and the Somali Plates will be approximately 337.5 kilometers apart in 45 million years.

Explanation: This was the exact answer on edmentum

Answer:

The answer is 4662.5 kilometers!

Explanation:

  1. The speed of the Nubian Plate is 2.0 cm per year, which is 2e-5 km per year.
  2. The speed of the Somali Plate is 2.75 cm per year, which is 2.75e-5 km per year.
  3. The current distance between these two plates is 5000 km (internet sources).
  4. After 45 million years, the Nubian plate will have moved 900 km. This is from the calculation as under:

S = V . t

S = (2e-5) . (45,000,000)

S = 900 km --- the new distance between the plates will be 5000 km + 900 km = 5,900 km

  • In the same way, the distance which the Somali plate will have moved after 45 million years will be:

S = (2.75e-5) . (45,000,000)

S = 1237.5 km

which is the distance covered by the Somali Plate out of the new distance of 5,900 km.

  • So that: (5,900 km - 1237.5 km) will give the new distance between the plates after 45 million years:

4662.5 kilometers

Why is the savannah a fragile enviroment?

Answers

the savannah is a fragile environment is because it's sparesly populated, and the amount of nutrients there is very low. there are few trees and plants, few herbivors, and even less carnivores. there are not many water sources either, so savannahs are quite prone to droughts. a lack of nutrients added to lack of water = dehydration and starvation, killing off the weaker links fo the environment.

wind can transport particles of many different sizes. what sized particles are probably carried the farthest by the wind? Explain your answer

Answers

I think it would be silt which is smaller than sand, but if that's not an option then it's sand I'm guessing.

Final answer:

The wind carries smaller particles like dust and sand grains further than larger ones. This is due to their reduced mass, requiring less force to be moved, and experiencing less air resistance due to their smaller size.

Explanation:

In the physics of wind erosion, wind can transport particles of varying sizes. The size of the particles that gets carried the furthest largely depends on the strength and duration of the wind. Generally, smaller particles such as dust and sand grains are carried farther by the wind than larger particles. This is because smaller particles have less mass and thus require less force to move. Furthermore, due to their reduced size, they experience less drag (resistance to motion due to friction with air), making them more efficient at traveling longer distances when aided by wind.

Learn more about Wind Erosion

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