The first pesticides relied on natural chemicals, such as those taken from chrysanthemum flowers is true
Quantitative means to count how many of something. The correct answer is B, It has two eyes. Hope this helps
The structure of tofacitinib with explicit carbon and hydrogen is the first attached picture.
The number of carbon atoms in tofacitinib are 16.
The molecular formula of tofacitinib is
.
The structure of tofacitinib with all the filled hydrogen atoms is the second attached picture.