Answer:
3.14g (3.s.f.)
Explanation:
change in mass = 0.25
mass at start = 7.96
percentage change in mass = 0.25/7.96 × 100
= 3.14g (3.s.f.)
I think the correct answer is B
Answer:
Polar molecules: water - H2O and ammonia - NH3
Nonpolar molecules: carbon dioxide - CO2 and benzene - C6H6.
Explanation:
the flow energy from the continental plates. this is due to the sudden movement and temperature caused by various things like temperature change caused by global warming, human pollution, and internal combustion,
movement caused by quakes, global warming, and human partiucipation
Answer:
A
Explanation:
The end of the germinal period is marked by the implantation of the blastocyst in the wall of the uterus.
