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The vertical tangent to a curve occurs at a point where the slope is undefined (infinite). This can also be explained in terms of calculus when the derivative at a point is undefined. There are many ways to find these…
Every body in the universe exerts a gravitational influence on every other body. That includes human bodies, but the force is more important between more massive bodies, such as planets and stars. The gravitational force between two bodies on Earth…
Rainforests contain an estimated 80 percent of the planet’s green plant life. However, they only represent 2 percent of the Earth’s surface. Human cultivation, pollution and wildfires contribute greatly to the loss of our rainforests. Only by becoming aware of…
Whole numbers are non-negative numbers that haven’t been broken into smaller parts. For instance, the numbers two and five are whole numbers. Fractions express division from a whole number into smaller parts that may or may not themselves be whole…
Considering tabby cats to be a feline breed can be a common misconception among cat owners. Calling a cat a “tabby” is a descriptive tag only. Tabby cats come in four basic patterns, which can then be classified into distinctive…
A knowledgeable teacher recognizes that young children learn best when engaged in hands-on activities that allow them to further explore abstract ideas or concepts, especially in math. Counters are an excellent tool that children can use in their attempts to…
Valency is a measure of the ability of an atom to bond with other atoms. The higher the number of valent electrons, the more reactive the atom or molecule is. How Many Electrons in Each Orbital? Electrons will occupy the…
Come To My Parlour The Venus flytrap (Dionaea muscipula) not only consumes insects for food, it also needs insects for pollination to make a new generation. In order to attract the insects, the mature Venus flytrap will grow a very…
Identifying the symphony of sounds that occurs when the sun goes down can be a challenge. Amphibians, rodents, reptiles and many other creatures exchange wordless dialogue to express a variety of messages from warning signals to mating calls. Their message…
Hiking through the woods or strolling along the beach, you may see an unusual rock, and – if it’s your lucky day – the rock may be valuable. To determine if it has monetary value, test it for color and…
