A. [1,2] sigmatropic hydrogen migration
Answer:
well for me
Explanation:
photosynthesis gives out oxygen so cellular respiration gives out carbon 4 oxide and take in oxygen
The relation between density, mass and volume is

1) to calculate = volume
given:
Density = 0.0915 g/ mL
mass = 17.7 grams
formula used:

Thus
Volume 
Answer: 193.44 mL
2) the mass of sample will be

Answer: 7 g
Earth orbits the sun in a imaginary plane called ecliptic