Answer:
nutrients in the soil is the correct answer
Answer: What roses are the best flowers is a non-scientific question.
Explanation: What flower is better is determined by personal opinion. I might think the red roses are prettier and you might think the white ones are. Where all the other questions can be tested all equally and it is not an opinion.
Explanation:
Basically, what you need to do is use a term for each one of the circles so it is even and if you look at the explanation(above or below it) it will match the definition of the term you provided. I'm guessing tho.
Answer:
4? am aint sure sorry,but base on the website 4