Answer:
control.
Explanation:
during an experiment you are required to maintain a separate group of subjects to collect data on so you will be able to make comparisons from your observations. assuming the watered plants grew, what does that mean? they grew at a quicker rate? slower rate? the same rate? compared to what? you need this control group in order to prove your observations either one way or the other such as "compared to unwatered plants, the watered plants grew at *blank* rate."
Explanation:
I think
Bonding pairs = 4
Lone pairs around the left chlorine atom = 9
Answer: 15.8 g of
will be required to produce 1.60 grams of 
Explanation:
To calculate the moles :

According to stoichiometry :
As 1 mole of
is given by = 2 moles of 
Thus 0.05 moles of
is given by =
of 
Mass of 
Thus 15.8 g of
will be required to produce 1.60 grams of 
Answer:
The answer is A.Newton's First law