Question

Fiona wants to use the scientific method to answer the question “Do oxygen levels in the air affect rates of photosynthesis?” She reads about photosynthesis in her biology book and is ready to carry out the next step. What should she do next?

perform an experiment
design a procedure
make observations
form a hypothesis

Answer 1

The correct answer is D!:)

Step-by-step explanation:

Hope this helps!:)

Answer 2

The first thing Fiona, or anyone, should do is form her hypothesis.

The hypothesis is your own proposed explanation for whatever phenomenon you're trying to study. Think of it as a predetermined idea of what could happen based on what you already know.