Answer:
The meaning of word molecule is The group of atoms forming a group is called molecule
In simple word , 2 or more atoms combine together to form a molecule for ex - Carbon dioxide ( 2 atoms of carbon and 1 atom of oxygen)
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● The method of "<em><u> </u></em><em><u>one-way</u></em><em><u> </u></em><em><u>analysis</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>variance</u></em><em><u> </u></em><em><u>"</u></em> is used for tests of hypotheses that three or more population means are equal.
Answer AND Explanation:
A. haploid generation
- Gametophyte
B. a group of fern sporangia
- sorus
C. develops into a fruit
- ovule
D. develops into a seed
- ovary
E. gametophyte and sporophyte appear to be the same
- isomorphic alternation of generations.
F. contains only stamens
- male flower
G. gametophyte and sporophyte appear to be different
- heteromorphic alternation of generations.
H. diploid generation
- sporophyte
Answer:
The correct answer is option B, that is, phthalates.
Explanation:
A class of chemicals that are used to soften plastics like PVC, function as fixatives and solvents and bind fragrances in the products are known as phthalates. The human encountering with the chemicals can take place via:
1. Inhalation of fragrances or fumes from fixatives and solvents,
2. Chewing on a plastic toy by a child that develops small openings in the plastic, which provides a space for the chemical to get leached from the toy into the mouth of the child.
3. Through the absorption of perfumes, lotion, and deodorants.
The serious health effects of the chemicals comprise developmental and reproductive issues, hormone disruption, low sperm count, asthma, undescended testes, preterm birth, premature puberty, and development of certain kinds of cancers.
Pedialyte is an electrolyte solution which is taken orally. Originally it was given to children, but recently it has become popular as the cure for hangover. This has led to it's increased use in the adults. However, it should be noted that this solution is rich in potassium and sodium content. This poses a threat to the patients suffering from high blood pressure and kidney disorders. Such individuals should avoid excessive intake of pedialyte.
