Explanation:
When using chromatography, the 2 solutes in the solvent paper should have different Rf values from the base line to identify them as different compounds.
If they were to have the same speed in the solvent, they would appear as 1 dot instead of 2 separate dots, which is a false reading.
Answer:
The answer is - It was not a controlled experiment
Explanation:
A control experiment can be defined as that in which the all variable is kept constant and intact and then used as a standard of comparison or measurement to the experimental component.The commercial showing several people initially struggling to balance without the wristband and then balancing fine with the wrist band is not a controlled experiment.
Is about 3 hours to my understanding
<u>Explanation:</u>
Note, Telangana is known to be an area whose climate is usually semi-arid, that is, it is an area that is dry and receives some small amount of rain.
Thus, plants in the Telangana region would usually possess the following adaptive features;
- ability to survive under extreme heat
- growing longer roots than normal in other to find water in the soil
- efficient water conservation especially in their stems.
Answer:
Demography is the statistical study of human populations. Demography examines the size, structure, and movements of populations over space and time. It uses methods from history, economics, anthropology, sociology, and other fields.
