A descriptive observation may very well be a mixture of both quantitative and qualitative as it can utilize elements of both types. Qualitative deals with the kinds of observations that cannot be measured in numerical form. Quantitative data is just that.
When a child swallow a dish soap the good advice is to call
poison control. There are also different reason why e get poisoned, during a
health symposium a nurse teaches the group how to prevent food poisoning. The
nurse evaluates that the teaching is understood when one of the participants states
"Meats and cream-based foods need to be refrigerated."
The situation would be that, in a sealed tube, there are 3 to 4 nails inside and a certain amount of calcium chloride was added. After three days, there will be no changes to be observed in the first tube since the oxygen is not enough to initiate a change and there is no presence of water. For the second test, the same situation is made but boiling water was filled in the tube. For this, no changes would still be observed since there is no moisture. For the last test, the same situation as the first but it is filled halfway with water. After 3 days, rust would be observed on the nails. In order for rust to happen, there should be water and oxygen. The oxygen in the early atmosphere of the Earth would react with iron present in the oceans thus producing iron ores.
Plants take in that carbon dioxide<span> from the air, and take in water (H2O) as well. Photosynthesis produces a chemical reaction that creates glucose, or C6H12O6, out of CO2 and H2O.
Hope this helps!
STSN</span>
A Nonsense mutation. It changes a codon coding for an amino acid to a codon coding for the signal to stop or terminate translation
