Plants take in carbon dioxide as a part of photosynthesis. Their waste product is oxygen and so it continues. I can't help with the water cycle though... sorry. I hoped this helped :p
The parents both need to be heterozygous, meaning they have to have one dominant and one recessive allele.
Advantages of sky: produce rain ( that is needed for plants, crops, drinking, animals, etc) , Holds the clouds, Sun, moon, we can view the beautiful design of nature by studying the sky, and clouds .
disadvantages: produces potentially harmful weather catastrophes like hurricanes, lightning, thunder, hail, tornados that destroys the original design and performance of nature, killing people and destroying homes, when the sky doesn't produce rain famine occurs.
I think the answers are WW and FF and Ff.
I haven't done this since middle school.
:) Hope this helps!
