Answer:
I want to say the answer is Form a hypothesis
I say this because a hypothesis is one of the first things you do when conducting an experiment and when forming a hypothesis you use the format "if...then....because". You are giving a possible answer to your question before you actually perform the experiment. I hope this helped.
Explanation:
Answer:
the hydrosphere: all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
B. rivers
Around 40 weeks is when it occurs
