Which of these best explains why people before Galileo hadn't seen
moons around Jupiter?
A. They hadn't looked in the right
place.
B. They hadn't turned the telescope
toward the night sky.
C. They thought Jupiter didn't have
moons.
D. They thought Earth was the
center of the universe.

B.They hadn't turned the telescope toward the night sky.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

i believe it is c: genes for body color and wing size are inherited separately from each parent.