What does catalyst mean in this sentence from the passage? Have you ever heard about people wishing upon a shooting star, or wondered what the catalyst for this fascinating sight really is?

A. mechanism
B. vehicle
C. change

mechanism

Explanation:

a person, thing, or event that quickly causes change or action. Examples of Catalyst in a sentence. 1. Fortunately for battery manufacturers, the ice storm was a catalyst for increased battery sales.

the sentence that contains a restrictive clause is a.they decided to meet where the band was performing

explanation:

a restrictive clause is also known as an essential clause

for this case, we must find the number of deaths per day of the year 2015, in automobile accidents, knowing that 32,400 people died.

knowing that the year 2015 had 365 days we have the following division:

where "x" represents the number of deaths per day.

rounding off we have:

approximately, 89 people per day died in 2015

answer:

89 people per day