Why will a set of stars appear at a different angle to us at different times of the year?
a. because we change location as earth orbits the sunb. because the stars move back and forth across the skyc. because of distortions by gravity

Which of the four major uses is predicted to change the least by 2020?

Find the mass of the cone using the triple beam balance. a. 543.0 g b. 542.0 g c. 504.28 g d. 502.8 g select the best answer from the choices provided a b c d

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