Some fossils provide evidence to suggest that earth's climate has changed over time
which information can scienusts obtain from these fossils ? check all that apply
water levels
temperatures
ocean salinity
movement of continents
cause of mass extinctions
save and et

Chemical in the birds foot produces the red coloring.

Explanation:

Hypothesis refers to a statement about particular observation. A hypothesis is tested for its validity through experimentation. The hypothesis about the causes of presence of red feathers in scarlet ibis can by represented by statement "Chemical in the birds foot produces the red coloring". This testable statement tells about possible cause of presence of red feathers in scarlet ibis.