Apatient takes 1 breath every 14 seconds. how many breathes do they take in 60 seconds (1 min)? express your answer in breaths per minute using an appropriate number of significant figures.

Okay so the rate he is breathing is 1 breath/14 seconds.

Now you need to know how many breaths he takes in 60 seconds(1 min)

1/14 = x/60

Now, cross multiply;

60 = 14x

x = 60/14

x = 4.285

So He takes 4.285 or 4.29 or 4.3 breaths per minute depending on what place value you're rounding to.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation: