TRUE OR FALSE Carbon dioxide levels produced by plants are cyclical. The levels typically rise in the summer and drop in the winter.

well

explanation:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.