The Columbian Exchange is marked by the exchange of plant and animal life between the Old and New Worlds. The exchanges<span> of plants, animals, diseases and technology transformed European and Native American ways of life.</span>
A. because the ball won't stop! hopefully this helps!!
<span>I think Napoleon's expedition into Egypt, NOT EXACTLY SURE!</span>
<span>Keple's three laws are as follows:
a) Planets move around the Sun in ellipses, with the Sun at one focus
b )The line connecting the Sun to a planet sweeps equal areas in equal times.
c) The square of the orbital period of a planet is proportional to the cube (3rd power) of the mean distance from the Sun
(also stated as-- ...of the "semi-major axis" of the orbital ellipse, half the sum of smallest and greatest distances from the Sun)</span>
D is the answer maybe i dont know
