Question

Which best describes what needs to be done before you can form a hypothesis?
A. Design an experiment, perform the test, and analyze the results.
B. Determine what other questions you have about your observation.
C. Learn what other scientists know about the topic.
D. Make an observation, form a question, and do some research.

Answer 1

the answer is A and the only reason i say A is because that's generally what you do before you run a test on something

Answer 2

will you look at these

Answer 3

What is the efficiency of a device that gives you 10 units of useful energy for every 100 units you put in it?
A. 1
B. 0.5
C. 0.1

Answer 4

its not leting me sadly

Answer 5

i sent it to u in a message