While doing "jumping
jacks" during an exercise class, your arms and legs move laterally away from
the midline of your body. This motion is called abduction. Abduction is the
movement of a limb or other part away from the midline of the body.
The tissue in higher plants that makes the vascular system, consisting of phloem and xylem, by which water and nutrients are conducted throughout the plant.
Answer - (Mainly) Internal Fert. Has the ability of keeping the sperm eggs from becoming dehydrated.
Reasoning - With the ability of the eggs being inside the mother. It keeps the eggs from dehydration and is always in moist which give the advantage of survival rate higher then external. Just like Humans we do internal fertilization which the sperm enters the female eggs and rest to become and form the life. While moist and protective embryo keeps it wet. Just like land animal in certain ways.
(M1xVi1)+(M2xVi2)=(M1xVf1)+(M2xVf2)
(.08x.5)+(.05x0)=(.08x-.1)+(.05xVf2)
Marble B's resulting velocity is .64