Author Question: Celestial bodies that revolve around the sun in long, oval-shaped orbits that sometimes cut across ... (Read 50 times)

krzymel · **on:** Jul 31, 2018

Celestial bodies that revolve around the sun in long, oval-shaped orbits that sometimes cut across the orbits of the planets are called _______________.

Fill in the blank(s) with the appropriate word(s).

Question 2

Systems and _______________ and patterns of change are alternative groups to organize science topics.

Fill in the blank(s) with the appropriate word(s).