I pretty sure it’s level 3
Answer:
∴ Fractional distillation is the technique used to separate the fraction
Explanation:
A: Refinery gas
B: Gasoline fraction
C: Naphtha
D: Kerosene
E: Diesel Oil
F: Fuel oil fraction
G: Lubricating fraction
H: Bitumen
Answer:
Looking at the inside of the bowl
Explanation:
The curvature of the bowl would likely focus the light to a single point or area above it. This higher intensity area would be more dangerous to look at.
They both break down and and erode
Answer:
An elementary reaction is a chemical reaction in which one or more chemical species react directly to form products in a single reaction step and with a single transition state.