18. The diagram for the structural formula of ethanol shows the elements and their arrangement.
What does the circled part of the diagram represent?
A. an atom
B. any ion
C. one molecule
D. an electron

i do not know and i have a 100 in this class

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

the actual answer was 160934