Me i'v been stuck on this a long time

a warm front is heading toward chicago. what type of weather would one expect when it arrives

warm and sunny

cold and dry

cold and rainy

warm and rainy

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.