Answer:
Please find equations in the attachment file.
Explanation:
Density can be determined as:
d = m /V
whereas, m is mass of compound
v is volume
d = 700 /840 = 0.83 g /mL
Thus density is 0.83 g /mL
Answer:
Genetic modification
Explanation:
a desired trait from one organism is placed into that of another organism with human intervention.
Answer:
O D. It has an -OH group attached to the end of the molecule.
Explanation:
Some alcohols have hydroxyl group (OH) attached to the end of a molecule and some have it attached as a branch on the molecule

- R is aryl or alkyl group
- OH is hydroxyl group
The 3rd option is the answer