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3 years ago

Question: How is wind speed and direction related to air temperature?

Biology

1 answer:

Bad White [126]3 years ago

8 0

Answer:

The wind moves from regions of lower air temperature to regions of higher air temperature because of a pressure differential set up by the two air masses

Explanation:

Relationship between wind speed and direction to air temperature:

wind flows from regions of lower air temperature to regions of higher air temperature because of a pressure differential set up by the two air masses.

A. The land air will heat up more during the day. This is because the land has a lower specific heat capacity than water, hence increases a lot more rapidly in temperature than the sea when the sun comes up.

B. The air packet over the land will cool down more rapidly at night due to the lower specific heat capacity of land when compared to the sea.

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4 years ago

A bag composed of a semi-permeable membrane containing 1% salt water is placed into a cup with 10% salt water (a higher concentr

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Answer:

Out of, shrink

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Water would move outside the cell due to osmosis. Osmosis is the movement of a solvent, water, in this case through a membrane from a region of high concetration to a region with less concentration .

The water molecules would move through the semi-pearmeable membrane from the region of high concentration (the bag) to a region with less concentration (the cup), thus, <u>equalizing the water concentration inside and outside the bag</u>. Since there is a higher concentration of salt outside, water will move out of the bag to equalize the concentration.

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3 years ago

How is the equal genetic contribution of male and female parents ensured in the progeny.

igomit [66]

Equal genetic contribution of male and female parents is ensured by the meiosis of the germ cells.

<h3>What is meiosis? </h3>

Meiosis is very similar to mitosis. In the process of meiosis, the cell goes through similar stages as mitosis and uses similar strategies for the organization and separation of chromosomes.

During meiosis, the task is a little bit more complex. The sister chromatids still need to separate. Sister chromatids are the two halves of a duplicated chromosome. This happens in mitosis too.

The chromosomes separated must be homologous. These are similar but nonidentical pairs of chromosomes that an organism receives from its two parents.

This goal is achieved in meiosis by a two-step division process.

In meiosis I, the homologous pairs separate during the first round of cell division.
In meiosis II, the sister chromatids separate during the second round of cell division.

Here, the cell division happens twice, one starting germ cell produces four gametes. In females, it's eggs, and in males, it's the sperm. In each round of division, cells have to undergo four phases. These are prophase, metaphase, anaphase, and telophase.

Therefore, the equal genetic contribution of male and female parents is ensured by the meiosis of the germ cells.