With hosts they can. But not on a place like dry pavement. They like something wet.
A good conclusion restates the hypothesis so that the reader will get was was the hypothesis made by the person and weather it was correct or not, if not then it has logical explanation to it. Conclusion also tells/summary of your project/essay
Precipitation needs to happen to keep the water cycle balanced
Chloroplast , cell walls and centriols can be found in plant cell but not in animal cells.
Starements that are guaranteed to be true are called facts