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wolverine [178]
3 years ago
9

Raising more sustainable fish would require choosing fish species such as____?

Biology
2 answers:
Alik [6]3 years ago
3 0

Answer:

A tilapia that eat algae and plants

daser333 [38]3 years ago
3 0
A. A tilapia that eat algae and plants
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Scientific question: Why does a dog circle its bed before lying down?
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In the scientific method first of all is you need to identify the problem, the problem to your question is why does the dog circle its bed before lying down. Second is the observation to gather some data, you need to observe the dog if what could be the possibility the the dog may do that action. The third is the pre hypothesis, you need to came up with an idea why does the dog do such and action for example the needs to find a correct spot to make itself comfortable and lastly the hypothesis, this should answer to your question or your problem. So my hypothesis is that dogs are one of the animals that are those difficult to find a place to sleep and some of that kind of animals are cat, before they lay on their bed, they have to circle to find a spot that could fit its body to be more comfortable when the dog sleep
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3 years ago
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The sole of a gecko's foot is covered with millions and millions of small, dry "hairs" that make direct contact with surfaces, a
tamaranim1 [39]

Answer: Van der Waals forces

Explanation:

Van der Waals forces are weak intermolecular forces that depend on the distance between two particles. They are caused by correlations in the change in polarization between two nearby particles. To put it in other words, when a particle changes its polarization (becomes more positive on one end and more negative on the other), so does the adjacent particle, and the next one, and so on. This causes these particles to stick together weakly.

The tiny "hairs" increase the surface area of the gecko's feet in contact with the wall, which makes the bond stronger and allows it to support all of its weight.

Because experiments have shown that geckos stick well to both hydrophobic and hydrophilic surfaces, we can assume there aren't any hydrogen bonds present.

Ionic bonds can't be present either because geckos wouldn't stick to electrically neutral surfaces, as these bonds require charged molecules.

6 0
3 years ago
How does mutation lead to variation
saul85 [17]
Mutations<span> are changes in the DNA. A single </span>mutation<span> can have a large effect, but in many cases,  change is based on the accumulation of many </span>mutations<span>. Gene flow is any movement of genes from one population to another and is an important source of the genetic </span>variation<span>.</span>
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Identify the choice that best completes the statement or answers the
mixer [17]
Evaporation of the liquid
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What are changes in dna sequence that affect the expression of information?
irakobra [83]
Could be a mutation..
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