Abiotic factors are nonliving features of climate regions that affect ecosystems. Biotic factors are the living elements like plants and animals. Abiotic factors of the world: The polar regions are the coldest areas, with the Arctic containing relatively large amounts of snowfall, whereas Antarctica is a desert.
Discretely is defined as in a separate independent unit or in distinct, separate parts. When a subsidiary of a company operates completely independently of other branches or departments of the company, this is an example of a subsidiary that operates discretely. Adverb.
Discrete Math is not the name of a branch of mathematics, like number theory, algebra, calculus, etc. Rather, it's a description of a set of branches of math that all have in common the feature that they are discrete rather than continuous. i.e., a set is countable iff its members can be counted.