Can someone help me with these three questions I can’t figure them out i will mark u as the best answer

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.