Answer:
the answer is A and C
Step-by-step explanation:
I could be wrong but I got 28. I devided 420 by 15
3947422086
is the answer hope it helps:)
Answer:
B) Experiment: you imposed a treatment (new fertilizer on some plants, old on others) to determine its effect.
Step-by-step explanation:
In this situation, the fertilizer developer wants to evaluate a hypothesis, not just observe, by subjecting plants to two different treatments (new and old fertilizer) in order to determine which treatment provides a more desirable effect (more plant growth).
This process configures an experiment.
The answer is alternative B)
100 x 4.2 would equal 420.
The answer is 4.2
