Chem was fun last year XD
Anyway..
To find how many neutrons are in element x:
We take the mass number and subtract it with the atomic number
So, 75-22=53 neutrons...BOOM! :D
Answer: A limousine driver dropping off a couple at the school prom.
Explanation: Coenzyme A is a co-factor that assists enzymes to perfom their functions of speeding up chemical reactions. They are non-proteins that can change form and be used by many different type of enzymes for assistance. Just like a driver, any other couple could have asked to be driven by the same driver for any other reasons other then school prom. Drivers are always there to assist but do not take part in the overall function of process or occasion just like coenzyme A.
they are both two types of grasslands
your answer is B. because An animal must do three things to control body temperature. First, the animal must find a source of heat. Second, it must find a way to conserve heat when temperatures in the environment are too cold. Third, it must find a way to get rid of extra heat when temperatures in the environment are too hot.