Helen is learning about how the Sun can give heat to the Earth without touching it. Which of these would be a good model to help her understand how heat comes from the Sun?

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?