The average CT scan exposes a patient to an average of 20 mSv. How many CT scans would a person have to go through to be as close as possible to the amount of radiation emergency workers are limited to receiving in a life-saving situation? plz help me

h let me think

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).