Answer:
carbon, nitrogen,oxygen,flourine
Because
green insinuates a feeling of moving forward and gain confidence and comfort by the color
Question 2: Answer is (B), Soil Conservation Act (1936)
Hope that helps!!!
Hydrogen as it has only 1 proton and therefore only an atomic mass of 1...
To begin calculating, there is one thing you need to remember :

Then we have

As you know decomposition of 2moles now has prodused <span>196kj
So, </span><span>q is made due </span>


I'm sure it will help.