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forsale [732]
2 years ago
14

A volcano is advantageous and disadvantageous both. Give reason.

Biology
1 answer:
Oxana [17]2 years ago
6 0

Answer: Volcanic materials ultimately break down and weather to form some of the most fertile soils on Earth, cultivation of which has produced abundant food and fostered civilizations.

The internal heat associated with young volcanic systems has been harnessed to produce geothermal energy.

2 disadvantages could be the destruction of life and the ash that fills the air far and wide when it erupts

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Which phase of the bacterial growth curve is defined by zero net growth due to a lack of nutrients and excessive waste products
uysha [10]

<u> Bacterial growth curve-</u>

The phase in the bacterial growth curve which is defined by  zero net growth due to a lack of nutrients and excessive waste products being present is the death phase of the growth curve.

<u>Phases of the bacterial growth curve-</u>

The bacterial growth curve is a curve that depicts the number of viable live cells in a bacterial culture over a span of time. This growth curve has four very distinct phases, which are- lag phase, log phase, stationary phase, death phase.

  • Lag phase- The first phase which is the period of metabolic growth rather than division of cells.
  • Log phase- The second phase where the cells are dividing and increasing in numbers.
  • Stationary phase- The third phase where the bacterial cells reach a stagnant period and stop dividing due to the lack of nutrients.
  • Death phase- The last phase where there is no metabolic growth or cellular division. The culture is filled with metabolic wastes from the lysis of cells.

Learn more about the growth curve here-

brainly.com/question/14788016

#SPJ4

4 0
2 years ago
What question did Hardy and Weinberg want to answer?
Stels [109]
How does allele frequency and genotype frequencies changes between generations
in the end, they found out that the allele frequency and the genotype frequency will remain constant from generations if evolution is absent.

I Believe This Is The Answer :)
6 0
3 years ago
Read 2 more answers
Please select the word from the list that best fits the definition “a representation of the earths surface”
monitta

Answer: map

Explanation: I say its map because a map represents the entire earth

6 0
3 years ago
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Jonas Salk was awarded the Nobel Prize for discovering a way to vaccinate against
Bogdan [553]

Answer:

Jonas Salk was awarded the Nobel Prize for discovering a way to vaccinate against  polio in the United States in the 1950's. This allowed millions of school-age children to  avoid crippling disease, and to swim during summer again, as polio was often spread in public swimming areas before.

The statement that best describes how the polio vaccine works is:

It triggers the immune system to produce antobodies to fight the disease-causing agent.

Explanation:

There are two main reasons for this answer. The first one is that every vaccine is aimed to introduce a controlled amount of antigenes to be accepted by the organism. These antigens are made after some studies were conducted in a lab and were obtained from substances that the human body can accept to train the immune system to develop an effective defense for the virus or bacteria on the matter. In our case, the polio vaccine works the same way and allowed to save many lives.

3 0
3 years ago
Why does a soild changes to liquid when heat is added
sleet_krkn [62]

Answer:

Explanation:

When a solid is heated the particles started to vibrate faster and when it vibrate faster the outer  layer breaks down and change into liquid.So,a solid change into liquid when heat is added.

Hope it helps you:)

5 0
3 years ago
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