12. B
13. B
14.D
15. A.
16.C.
17. C
18.B
19.A.
For the first one I think it’s A, and I think the second one is C. Those seem most logical.
Answer: It's D
Explanation:
I just did this question and i picked C but it's actually D
Answer:
Hypothesis
Explanation:
The following steps are applicable when we wish to prove a specific fact:
- a hypothesis is made; this is a statement that we provide after some observations and we wish to either prove or deny it;
- multiple experiments are carried out in order to gather significantly substantial amount of data that can be then further analyzed and any tendencies can be noticed;
- based on the data gathered, conclusions are made: we either prove or deny the hypothesis. If hypothesis is proved, it may become a theory over long time.
In the context of this problem, we're at the first step where we make a hypothesis.
