Hydroxyquinoline CANNOT be made from grapefruit and lemon because it can only be synthesized and is not a natural compound.
With this in mind, we can see that hydroxyquinoline is usually used to salve the effects of a freshly cut cow udder as it is applied to soothe skin.
Furthermore, it can be chemically gotten when glycerol is mixed with 2-aminophenol alongside with sulphuric acid and this cannot be gotten from grapefruit and lemon.
Read more about hydroxyquinoline here:
brainly.com/question/25238494
Answer:
Perception
Explanation:
Perception is the way you think about or understand someone or something. It is also what you understand or interpret from your five senses – touch, sight, sound, smell, and taste. However, perception is colored by our past experiences, feelings and thoughts.
The code chunk that lets the analyst create the phone_number column is: unite(customers, "phone_number", area_code, phone_num, sep="-"
<h3>What is a data frame?</h3>
A data frame refers to a two-dimensional array-like structure or table that is made up of rows and columns, which is typically used for storing data in R Studio using the R programming language.
In Computer programming, a data frame is a list of vectors that are all equal in length, and each column consist of values of one variable while each row consist of a set of values from each column.
<h3>The executable code in R Studio.</h3>
In this scenario, the code chunk that would be used to create a data frame that combines the two columns into a single column (phone_number) is:
- unite(customers, "phone_number", area_code, phone_num, sep="-"
Read more on data frame here: brainly.com/question/25558534
Answer:Pindarus must decide whether to fight Mark Antony or flee
