Connor, Luke, and Mason are co-workers who meet regularly after work to talk about the latest video games on the market and strategies for improving their scores on the games. This is an example of a .

Group

Explanation:

A group comprises of individuals with similar aims or interest and who are organised to work together. In other words, a group is a collection of individuals that have something in common. They interact frequently, have common feelings about a subject, influence each other and try to achieve set goals together.

In the case of Connor and his friends, apart from the work place that brings them together, they are group because of their interest in games. They talk about games and set goals together to be achieved.

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question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals