Could you help me formulate a hypothesis that explains the changes in population of the yellow-headed blacbird.

Factors that influence this change are;
-Air and Water Quality
-Climate Change
-Human Activities

But what could be the hypothesis.
Thank you in Advance

2 answers

Can someone please help me.
.. its a hypothesis.
how can someone help you when its your opinion?

no offence but, if you're asking how to write a hypothesis, just google "how to write a hypothesis".
the only thing these people will give you is a link to some site you can find by googling.