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:
D: 4.6 x 
Explanation:
4.6 x 10^{9} = 4,600,000,000
Earth is approximately, 4.6 billion = 4,600,000,000 = 4.6 x 10^{9}
In case of a Natural Disaster, taking the decision about who must receive the benefits of a donation is "a locus of authority".
<u>Option:</u> D
<u>Explanation:</u>
A locus of authority arises when questions are raised about who is accountable or under which jurisdiction anything falls. In the scenario of some health, law or environmental (natural disaster) emergency the central or state governments are responsible for releasing funds to rescue the region by providing basic needs like food, medical aids, etc.
This phase is very important for the head of nation because allocating fund is easy but in right hands is trick, so the authority to whom fund is handover for further processing via right channel and to targeted audience is uttermost priority, also in time.
Answer:
C.
Explanation:
Absolute dating is defined as the method used to determine the age of biotic or abiotic things on a specified chronology in geology and archaeology.
Layers of the soil are used to determine the age of a geologic event is not a form of absolute dating because the deepest river deposits in the specific basin is used to determine the geological event.
So, the deposits of soil are used to tell the the age of a geologic event and not the layers of soil.
Hence, the correct option is C.
The correct answer is option A, that is, the bottle with zero percent concentration.
The control in the given case would have the liquid in it in the absence of any supplemented dissolved solute. So, as to find whether the solution is making the crystal formation or the liquid can do it by itself.
The control refers to one element, which is not changed at all through the experiment, as its unchanging condition permits the association between the other variables being examined to be better comprehended.
