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Alex
3 years ago
12

An Electromagnet can be made by wrapping wire around witch object?

Biology
2 answers:
satela [25.4K]3 years ago
6 0
It will have to be a metal object
Reil [10]3 years ago
3 0
Iron Core
Hope it helps

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A plant with purple flowers is allowed to self-pollinate. Generation after generation, it produces purple flowers. This is an ex
Virty [35]

Answer:

True breeding

Explanation:

True breeding is a breeding in which parents produce the offspring which carry same phenotype.  

The parents in true breeding are homozygous for every trait.  

<u>True breeding occurs in the plants when the plants produce offspring of same variety only when self pollination takes place.  </u>

<u>For example, if a plant has purple flowers will produce only seeds which will grow into plants which have purple flowers.</u>

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I believe so.

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I think the correct answer from the choices listed above is the last option. The pollutant that <span>is transferred from soil to water by fertilizer runoff from farms and leaky septic tanks would be nitrates. This pollutant is present in fertilizers and are produced from reactions in a leaky septic tanks. Hope this answers the question.</span>
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Describe Why are trochophores of interest to biologists?
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4 0
3 years ago
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Answer and Explanation: This is true that theories do change or get replaced overtime. We all know that in any scientific investigation the scientist put forth the theories which are basically the ideas explaining something particular. We also know that the world is experiencing constant changes and those changes could be of Technology or of overall world order so, whenever a scientist gives us the theory, that theory is made according to the situations and environment of that particular time and in future with the passage of time and with the advancement of Technology and other variables, scientist do need to re-evaluate theories. They either make some positive changes keeping in view the changing circumstances of the current situation or discard the theory altogether depending on its nature. The name research itself indicate that scientists research the already searched idea and in that way the New theory which comes after the modification of old theory or altogether the new theory takes place of the old one.

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