Two parts are stage and coarse focus
Answer:
1st answer: A. nitrogen
2nd answer: A. Sodium carbonate
Explanation:
I believe it is b electric energy etc...
Halogens. Ex. fluorine can be the gas,bromine can be the liquid, and iodine could a solid all under room conditions.
There are 1000 grams in a kg.
To convert g to kg, dovide by 1000.
3.5/1000= 0.0035 kg
Final answer: D