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Wolf spiders are a fairly large and hairy spiders of the family Lycosidae found on multiple continents including North America. Their appearance often has them mistaken for tarantulas, but they’re actually a different species. The wolf spider enjoys preying on…
What do leaf bugs eat? Leaf bugs (also called leaf insects) are herbivores, along with their close relatives, stick insects. All types of stick insects and leaf bugs belong to the order Phasmida. Like their names suggest, leaf insects look…
The square root grading curve is a method for raising the grades of an entire class to bring them into closer alignment with expectations. It can be used to correct for unexpectedly difficult tests or as a general rule for…
Photosynthesis is the process plants and some algae use to convert light energy to chemical energy stored as sugar within chloroplasts — the energy factories found in plant cells. Plants need only carbon dioxide and water for photosynthesis to work.…
Residential homes and most small businesses use single-phase electrical current, but this isn’t the form electricity takes as it moves across the electrical power grid. Electric utilities generate high-voltage, three-phase electric current that is transmitted and changed into dual-phase and…
Known for their rapid heartbeats and speedy flights, the life cycle of a hummingbird is busy. Hummingbird eggs are cared for solely by the female, who does everything from building the nest and keeping the eggs warm to feeding her…
In classical geometry, the only permitted tools for constructing figures were a compass and an unmarked straightedge. With this, it was possible to perform a variety of operations, such as building equilateral triangles, squares, pentagons, hexagons and so on. Yet…
Barometric pressure, commonly known as atmospheric pressure, describes the amount of weight being exerted by air onto the Earth. To determine what the barometric pressure is, a barometer is used to measure the air pressure in a given area. For…
Things Needed Measuring tape Or manufacturer’s schematics Calculator Aircraft can have one of several different shapes of wings, depending on the size and weight of the aircraft, including straight, swept, and delta wings. Tapering refers to a change in wing…
There’s no need to doubt that putting a fake owl in your yard will deter birds because a study has confirmed it. The study was conducted at Linfield College in Oregon, and it concluded that fake owls were effective bird…
