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All trees with needles have cones, and most trees with cones and needles are evergreens—but not all of them. Hundreds of species of trees with cones are found throughout the world, and these trees are known as conifers. Features Conifers…
Because a semicircle is a two-dimensional shape, it has an area rather than volume. You might need to know the area of a semicircle if you want to paint a semicircular area or if you want to lay sod in…
California is the most populous state in the United States and, with a total area of 158,706 square miles, it’s the third largest state after Alaska and Texas. The geographical diversity within its borders, arguably unmatched by any other state,…
Jungles evoke images of steamy, densely overgrown forests with twisted vegetation and monkeys that swing from tree to tree. Although many ecologists strictly use the term to describe low forests with thick, tangled understories, popular usage equates jungle with tropical…
It’s common practice to spread ice on roadways to melt winter ice, but in the absence of ice, you could also use sugar. In fact, you could use any substance that dissolves in water. Sugar wouldn’t work as well as…
You might want to measure your success rate in many cases: Maybe you’re submitting job applications, fine-tuning your sales pitches, or want to know what percentage of your class passed their end-of-year exams. Either way, finding the success rate takes…
The concept of oxidation in chemistry is a somewhat confusing one, mostly because it predates an understanding of the structure of the atom and how chemical reactions occur. The term originated when chemists were analyzing reactions involving oxygen, which was…
Manufacturers of heating and cooling equipment express air exchange capacity in Cubic Feet per Minute (CFM), but this number varies according to the temperature and pressure of the air being exchanged. Partly for the sake of comparing products, manufacturers sometimes…
Statistics is the study of probability used to determine the likelihood of an event occurring. There are many different ways to test probability and statistics, with one of the most well known being the Chi-Square test. Like any statistics test,…
Dolphin fish and dolphins make their home in the same tropical and subtropical waters of the Atlantic, Pacific and Indian Oceans. They are large, predatory, fast-swimming ocean-dwellers. However, that’s where the similarities end. Dolphins are more closely related to humans…
