etty McGuire is no stranger to dog urine. If you live with a dog, neither are you. I’m guessing your dog pee story is probably one of waiting: Waiting while your dog checks out another dog’s pee, or waiting while your dog leaves a deposit. And who hasn’t experienced the occasional, “Ack! Why did you pee there?!?” followed by a cleaning session. But if you’ve ever gazed at a peeing dog and asked yourself any number of “Why” questions, Betty McGuire is the person for you.
McGuire, a researcher and
Hey. The first sound is the "lub." This is what you hear once the mitral and tricuspid valves of the heart close, which are the valves between the atria and the ventricles! Super cool. It is your third answer choice.
100 --- 55
1400 ---x
---------
x=1400 x 55/100 =14 x 55 = 770
The answer is 770
Hope This Helps!
A. Enzymes speed up chemical reactions because the time needed to activate the reaction is lowered.
