When runoff crosses the land, it picks up fertilizers that have been used on crops and lawns. these contaminants will eventually enter a lake, river or stream, which may lead to -

Diagrams for sure 67(8? ; 4

Leaves specifically the gas exchange between plants and the environment. while plants undergo photosynthesis, they also partake in cellular respiration. respiration is the process that happens in the leaves of plants.

It would be most likely be prophase because of the chromosomes duplicating. but without the picture, it’s really hard to tell