Help final science test. no links no guesses no spelling points and plsss HELP 1) If you tinted a glass of warm water with blue food coloring, what property or properties of the water would be different?

2) How is water affected by temperature

Which is not true about oxygen-17 and oxygen-18?

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?