True or false - being tall was always thought as an advantage when running the 100 m.
true
false

True it was thought of as an advantage

True would be the answer because height maintains the weight of yourself.

The fertilized egg  begins to develop into a hollow ball of cells called the blastocyst. 

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.