It has not. Evolution is not a process that can happen to individual organisms; it's change that happens to a species over many generations.
Answer:
All of the above
Explanation:
I hoped I helped sorry if this isn't correct
1) False. Scientists may predict something but realize a difference soon after before the test, so they could definitely change the hypothesis if they want. It’s only AFTER the experiment they cannot. Because a hypothesis is like a “guess” as to what’s going to happen, right?
2) False. A hypothesis can’t be “valid” because it’s literally a prediction.
3) True. Especially if you’re doing a chemistry lab, it’s really important things are done in order or else the product might result as something else you were expecting, or can be very dANGEROUS
4) True. The conclusion must be based on data because it’s the observation that was seen.
Hope this helps!! I could have answered in short form but I just wanted to make them understandable:)
The enzyme will work as a catalyst and make the chemical reaction happen quicker
The year the person was born in chinese calendar or 黄历 if you know or u can look it up on the internet
