When Amanda poured some of the liquid into a test tube, the water curved upwards because of adhesion.
Water has many interesting properties. One of its many properties is its affinity for adhesion. Adhesion is simply what occurs when a molecule of one kind is attracted to a different kind of molecule.
In the case of Amanda, the water will have curved upwards as an example of the adhesion properties of the water, in which its molecules were attracted towards the edges of the test tube.
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Answer:
A. It has lost one electron
Explanation:
Since the H has been replaced by a +, this means that the Hydrogen is now a positive ion. For this to happen, it would have to lose an electron.
Gaining one would make it <em>negative</em>, and protons cannot be gained or lost under normal circumstances.
Answer:
The required pedigree is given in the attachment:
Refer to the key for understanding symbols.
Explanation:
- A record of occurrence of a trait in several generation of a human family is called pedigree analysis.
- It is quite easy to identify some forms of inheritance from study of pedigrees.
- The pedigree analysis is useful in sexually reproducing organism where number of offspring is small.
- It also helps us in giving information about the genotype of an individual; for trait under investigation.
- It also provides information to the would be couples regarding the danger of certain genetic defect which might run in their family.
Explanation:
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