B. the sum of the protons and the neutrons in one atom of the element
Its structure.
The function of the enzymes are determined by their structure.
Answer with Explanation:
We are given that
Mass of superman=m=78 kg
Mass of train=m'=17863 kg
Speed of train=u'=75 km/h=

Let initial speed of superman=u
Momentum=mv
Using the formula



Average horizontal force=0.58
Deceleration 
Final speed of train=v'=0

Using the formula





Using the formula



Answer:
It does not impact snacking behavior.
Explanation:
The mean of the study was 18.7 grams, which is only 2.3 grams below the actual average grams of snacks that an adult would consume while at work, after revising this you could say that theres a significant reduction, but then the standard deviation is 9.1 this means that there are still adults that are eating more than 21 gram of snacks, so the test would result inconclusive.