2. solar system 1. is elliptical
A cold front does count as weather, if you're looking for more info on cold fronts and warm fronts visit the site below.
http://www.weatherquestions.com/What_are_fronts.htm
Your answer would be C. because the rest of potential energy. This one is not stored energy, it's kinetic.
Hope this helps; have a great day!
That would be A. Produces reproductive organs which produce a zygote.
Zygotes grow into the sporophyte(diploid), spores grow into the gametophyte(haploid).
Sporophyte produces haploid spores through meiosis, gametophyte produces gametes through mitosis.