A. Most recent period of the Cenozoic era.
I'm assuming you mean the molecular compound

and it's name is Hydronium. Hope this helps :)
Answer:
C) Flush out the contaminants with an excessive amount of water.
Explanation:
Water is universal solvent. It dissolve many solutes inside it. Soil is contaminated with number of chemicals which is used by farmers for the controlling of pathogens. These chemicals remains on the soil for very long time. These chemicals are removed from the soil by applying high amount of water which flush out the chemicals from the soil.
Answer:
For the cardboard column the 4 u DIDNT answer in order r Y Y N N
And for the Topaz column the ones in order that u DIDN'T answer are N Y Y
Explanation:
Cardboard is a solid and is inorganic but not naturally occurring or a mineral.
Topaz is not inorganic but is naturally occurring is a crystalline structure and is a mineral
<h2><u>Answer</u> :</h2>
The correct option is A. If a dominant allele is present, the recessive allele won’t be seen.
The dominant allele is the one which appear, and the recessive one isn't shown.
For example - If a person has 2 alleles of eye colour as B ( black ) and b ( brown ), in which black is dominant and the brown one is recessive, then the person will have black eye colour because only dominant allele shows its characteristics.
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