Answer:
gain-of-function
Explanation:
Gain-of-function mutations represent a type of genetic change that may confer a new function to the gene that undergoes the mutation. In this case, a gain-of-function mutation conferred to the virus an adaptive advantage by allowing it to encode a new protein which is capable of attaching to the cell membrane of a new host. In this regard, it is important to note that loss-of-function mutations are quite common in nature, while gain-of-function mutations are relatively rare.
Excessive application of fertilizer
The reason for the pond in the center of the park to now be covered with algae is the excessive application of fertilizer.
- A plant can really die from too much fertilizer, and excess fertilizer can cause toxic algal blooms in lakes and streams that are dangerous to people and their pets as well as other aquatic life.
- Aquatic "dead zones" are also a result of excessive fertilizer runoff from agricultural and lawn applications in coastal areas.
<h3>What consequences might excessive fertilizer use have?</h3>
- By increasing the soil's salt concentration, excessive fertilizer changes the soil and might harm beneficial soil microbes.
- Over-fertilization can result in abrupt plant growth with insufficient roots to provide the plant with enough water and nutrients.
<h3>Can plants bounce back after excessive fertilizing?</h3>
- A few straightforward procedures can save the majority of over fertilized plants.
- Remove any fertilizer that is readily visible from the soil and plant, and let water pass through the roots to leach the fertilizer away.
- After that, take out any damaged foliage and give your plant another meal after about a month.
To learn more about excessive usage of fertilizers visit:
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Answer:
osmosis? I hope I'm right
I think the correct answer from the choices listed above is option D. Destruction of tundra vegetation will likely result in melting of the permafrost. The tundra ecosystem is extremely sensitive to disturbance with little ability to restore itself. The melting of the permafrost will <span>cause the collapse of ground and loss of soil. </span>
Answer:
C using gas for heat
Explanation:
only thing that uses fossil fuels
