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KiRa [710]
3 years ago
9

What is the primary human cause of global warming?​

Geography
1 answer:
jeka57 [31]3 years ago
6 0

Answer:

It's man's disorganized use of treating the planet . He destroys forests by cutting down trees , makes forest fires which affect the flora and fauna of the region . All this increases the atmosphere's temperature causing it to rise , thus causing global warming.

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Miller and Urey performed experiments to support the ____________ hypothesis. In their experiment, they combined ____________ ,
svetlana [45]

Answer:

1. Alexander Oparin's and J. B. S. Haldane's

2. Methane (CH4)

3. Simulate

4. Sparkling device

5. Lightning storm

6. brown broth rich in amino acids

7. Reducing

8. spontaneous organic compound

9. Amino acids.

Explanation:

Miller and Urey performed experiments to support the "Alexander Oparin's and J. B. S. Haldane's" hypothesis. In their experiment, they combined "Methane (CH4)," ammonia, hydrogen gas, and water in a closed system and "Simulate" it to mimic conditions on early Earth. After stimulating the system with a "Sparkling device" to mimic "Lightning Storm, " they discovered that "brown broth rich in amino acids" was produced. This suggests that early Earth had a "Reducing" atmosphere, leading to redox reactions that catalyzed the "spontaneous organic compound" synthesis of organic monomers such as "Amino acids."

8 0
3 years ago
Plz help - worth 25 points - *DONT ANSWER IF YOU DONT KNOW*
ser-zykov [4K]

1. Pangaea was covering 66 million square miles, while the rest of the surface was covered by water, accounting for 132 million square miles.

Explanation:

The continents have been moving in the past, and they still do at present. The motion of the continents has led to the creation of numerous super-continents, but also smaller continental masses after their breaking up. Pangaea was the last of the super-continents that had all of the large landmasses as part of it.

Pangaea was covering around one third of the surface of the planet, approximately 66 million square miles. The other two thirds of the planet were covered by ocean, approximately 132 million square miles. Pangaea started to break up though, and initially two large land masses formed, Laurasia on the north, and Gondwanaland on the south. With the further breaking apart, the modern day continents and oceans formed.

Some facts abound Pangaea are:

  • existed between 335 mya and 175 mya
  • the gradual formation of Pangaea started around 480 mya
  • the breaking apart of Pangaea occurred in three major phases

Learn more about Laurasia brainly.com/question/3519182

#learnwithBrainly

2. North America and Europe will drift apart by 6,666,666.7 feet in 80 million years, or around 1,262 miles.

Explanation:

As mentioned earlier, the tectonic plates are moving, as described with the plate tectonics theory, and they are expected to do so in the future as well. That has led the scientists to believe that the continents will merge again in the distant future, approximately 80 million years from now. That of course has been based on current rates of movement and direction of movement of the plates.

North America and Europe drift apart, and that is occurring at the divergent boundary in the Atlantic Ocean, where there is a mid-ocean ridge. Europe is on the same plate with Asia though, and while North America moves away from it, it gets closer to Asia, so when it collides with, they will all be part of the same land mass.

With current directions of movement, the major plates move in the following directions:

  • Eurasia to the north
  • Africa (Nubian plate) to the north
  • Africa (Somali pate) to the east
  • North America to the west
  • South America to the west
  • Australia toward northeast
  • Antarctica toward northeast
  • Pacific towards northwest

Learn more about plate tectonics theory brainly.com/question/3296749

#learnwithBrainly

3. With the current rate of movement, Africa and South America will drift apart by 1,010.1 miles in 80 million years from now.

Explanation:

The South American and African plates are moving away from each other. They are separated by the divergent plate boundary at the mid-Atlantic Ocean ridge. The current rate of drifting apart is around 8 inches annually.

Over longer period of time, like 80 million years, these two continents will drift apart by around 1,010.1 miles. With the directions of the movement of the continents, Africa will merge with Eurasia, while South America will move further away from the other land masses, becoming very isolated, in what is now the Pacific Ocean.

South America will be in close or closer proximity to:

  • Australia
  • Asia
  • North America

Learn more about plate boundary types brainly.com/question/12655537

#learnwithBrainly

5 0
3 years ago
What region of south america contains one of the world's largest rain forests
Allisa [31]
Amazon rainforest in Brazil
4 0
3 years ago
The Mercalli intensity scale tends to be very subjective and thus is generally only used for historical earthquakes that were ne
sleet_krkn [62]

Answer:

The correct answer is: a) it relies on testimony from people.

Explanation:

The Mercalli intensity scale, unlike the Richter scale, does not directly measure the energy of an earthquake. Rather, it takes into account the damage and effects that the earthquake caused. When there is little damage, it relies on the testimony of people who felt the earthquake, which may vary and is ultimately subjective to people's perception.

The Mercalli Intensity Scale ranges from "Not felt" to "Catastrophic" going through 12 scale intensities.

4 0
3 years ago
Two plates have been pushing together for many years. What will most likely occur between the plates?
Juli2301 [7.4K]

Answer:

Plus check if do if do if go if HIV

6 0
2 years ago
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