1. A color flip involves changing the color of ______ and ______ . 2. An outside grandchild is a. on the opposite side of its parent that its parent is of its sibling. b. on the same side of its...

1.
A color flip involves changing the color of ______ and ______ .

2.
An outside grandchild is

a.
on the opposite side of its parent that its parent is of its sibling.

b.
on the same side of its parent that its parent is of its parent.

c.
one which is the left descendant of a right descendant (or vice versa).

d.
on the opposite side of its parent that its sibling is of their grandparents.