The answer is C. salire: accelerate
Salire is an Italian Verb that translates as “to ascend” or “to go up”.
Whilst, accelerate is defined as an increase in units such as speed, momentum or any actions being done at the moment.
The cold equation can't have more than one passage because it would be no room
I remember this from art ... Mono-chromatic we only used one color to create different shades so the answer is one