Why is water considered a polar molecule?

Biology

1 answer:

LenKa [72]3 years ago

3 0

Water has one end that is more positively charged than the other end. This creates polarity or a dipole moment

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Three species of frogs—Lithobates pipiens, Lithobates clamitans, and Lithobates sylvatica—all mate in the same ponds, but they p

Sladkaya [172]

Answer:

"This is a specific example of a reproductive barrier, called behavioral isolation or sexual isolation".

Explanation:

Reproductive barriers are isolation mechanisms that prevent mating between two or more species. The prezygotic mechanism avoids fertilization between individuals of different species, and the postzygotic mechanism avoids the zygote to develop and reach the adult stage.

There are different types of reproductive barriers, one of them is behavioral isolation, also known as ethological isolation or sexual isolation. This is a prezygotic barrier that refers to the fact that many species occupy the same area but they are not sexually attracted to each other and might even be rejected because of behavioral factors, and this is why they do not get to mate. This mechanism includes courtship patterns or mating rituals, and specific chemical signals that allow the recognition between individuals of the same species. A typical example is the recognition songs of some species like frogs, birds, insects, and etcetera.

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Which of these pollutants is a manufactured chemical used in fire extinguishers?

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Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching agent to the fire

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geniusboy [140]

Answer:

Explanation:

1) potassium

2)Aluminium

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Sustainable forestry: seeks to conserve forests for the long-term commercial harvest of timber and non-timber forest products by

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Yes, it is all of the above.

Explanation:

Yes, all the above statements are necessary for sustainable forestry because trees and other wild plants of the forest are necessary for all farmers, loggers, environmentalists, indigenous peoples and for the governments. The environmentalists study on these plants to find out the impact of these different plants on the environment, the farmers cultivate trees and plants to get money by selling it, the employment of loggers also related to these forests and the indigenous peoples also gain benefits by gaining food as well as medicines from it. This forest also fulfill the needs of wood and other products of the country.

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Which group is allowed to unionize but NOT strike? *

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Explanation:

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