What is the symbiotic relationship called in one organism is and the other organism is harmed

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the