The colligative properties may be defined as the different properties that does not depend on the type of solute. The concentration of solute is considered while studying the colligative properties.

The salt acts as anti freezing that clears the ice from the area. Salt decreases the melting point of ice and makes the ice solution diluted and ice starts melts when comes in contact with the salt. This changes the ice into the liquid state of the water.

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Suppose a mother carries two recessive genes for freckles (rr) and a father carries one recessive gene for freckles and one domi

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The answer is 50%.

This is an example of Mendelian monohybrid cross:
Parents: rr x Rr
Offspring: Rr Rr rr rr

So, in this cross, 2 out of 4 offspring will be heterozygous (Rr), and other 2 out of 4 (which is 50%) offspring will be recessive homozygous (rr) and will have freckles.

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What are the abiotic factors that could affect a population? ​

What are the abiotic factors that could affect a population?