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NISA [10]
3 years ago
13

Rosa listed some advantages and disadvantages of using renewable resources. Which best describes Rosa’s error?A. Wind does not e

asily generate a lot of electricity. B. Wind is a very reliable energy resource. C. Geothermal energy causes a lot of air pollution. D. Geothermal energy is available everywhere.
Biology
2 answers:
Lynna [10]3 years ago
6 0

Answer: Rosa's errors were options

A: Wind does not easily produce a lot of electricity.

C: Geothermal energy causes a lot wind pollution.

Explanation:

Wind Energy is the use of wind (kinetic energy) to provide mechanical energy and electricity through wind turbines. The wind turbines in a Wind farm ( made up of several wind turbines connected together) are then connected to electric power transmission network to generate electricity to households and grids.

Electricity is measured in Mega Watts (MW); Rosa is wrong because wind energy amounts for a significant percentage of electricity used in some developed worlds and mostly the European Union (EU) at a recorded 270 Giga Watts (GW). It is estimated that by 2020, wind energy will produce 50 percent of energy used by the EU.

Geothermal energy is the thermal energy (temperature of matter) which is gotten from energy generated and stored in the earth. Geothermal energy comes from radioactive decay of materials and the formation of earth.

Rosa is wrong, because Geothermal energy is environmental friendly and does not cause significant pollution. It does not involve fuel to harness its energy which in turn leads to stable electricity prices.

laila [671]3 years ago
5 0

Answer:

The correct answer is option A. Wind does not easily generate a lot of electricity.

Explanation:

Hello!

Let's solve this!

Wind is used to generate wind energy. Wind energy generates electric energy. A large percentage of the energy used comes from the wind. So Rosa is wrong in answer A.

The correct answer is option A. Wind does not easily generate a lot of electricity.

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Which geological feature is most common at oceanic-continental convergent boundaries?
alex41 [277]

Trenches are geological feature is most common at oceanic-continental convergent boundaries.

Explanation:

Usually, the oceanic plate, because it is denser, becomes subducted underneath the continental plate. The enormous stress of the two colliding plates causes the plates to warp abit downwards along the boundary causing a trench to form that stretches the boundary.

As the oceanic plate gets subducted and ‘dives’ into the mantle, it begins to melt into magma. Usually, due to the enormous stress along the boundary, fissures develop on teh continental plate along teh boundary. The magma rises through these fissures and erupts at the surface. Several mountains form long the boundary forming another signature geological feature of convergent boundary which is volcanic arc mountains.

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7 0
3 years ago
Which of the following statements is true?
Lelu [443]

Answer:

The true statement is: "Spring tides are the highest, while neap tides are the lowest."

Explanation:

  • The range of difference in the level of water between high and low tide is always larger in spring tide.
  • Neap tides are the moderate tides. It does not have huge difference in higher and low tides because the bulging of the ocean ( by the sun)  balances the bulge of the ocean caused by the moon.
  • This balance is not found in spring tides that is the main reason for spring tides to have the highest level for both higher and lower tides.
8 0
3 years ago
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Sergio039 [100]

Answer:

Group A

Explanation:

4 0
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The first step a biologist takes when deciding how to study life is to _____.
Luda [366]
The first step the biologist needs to make an observation in which to create a hypothesis. 

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The major role meiosis plays in chromosomal inheritance is to
andrezito [222]

Answer:

Doubles the amount of DNA and reduces the chromosome number from 2N to N.

Explanation:

Meiosis is a cell division in which one cell divides into 2 cells in the first meiotic division and then these two cells divide into two more cells so overall 4 cells are produced from one cell. This division occurs in gamete cells.

First, the amount of DNA gets double by converting the single-stranded DNA into double-stranded DNA. Then the homologous chromosomes get separated into two different cells in the first meiotic division and till now the chromosome number is 2N.  

After the second meiotic division, each sister chromatids of a chromosome gets separated into separate cells and the chromosome number in daughter cells becomes 1 N. So the major role of meiosis is to double the DNA mount and reduce the chromosome number by half in all daughter cells.

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3 years ago
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