<span> A </span>test cross<span>, involves the breeding of an individual with a phenotypically recessive individual.
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Answer:
The correct answer is - O and 6.9; 7.1 and 14
Explanation:
A measuring scale that tells about the acidity or basicity or alkaline nature of a particular object or solution is possible with the help of a pH scale that measures how acidic or basic a solution or object is.
It ranges between 0 to 14. pH less than 7 or ranging from 0.0 to 6.9 is acidic and more than 7 or from 7.1 to 14.0 is basic or alkaline in nature. A measure of the relative amount of H+ ion and OH- ions in water is pH.
The plasma membrane<span> is described as a "fluid mosaic."</span>
They may depend on PH of the water, nutrients, and sunlight.
Answer is c have a good day