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On Earth we notice convection through breathing, conduction through heat and radiation through sunlight. But do we notice these in space? And if not, then why? Let’s make a few definitions. Convection is the...

Firstly what is cloning? Cloning is used to produce individuals that are genetically identical to their parents. To clone animals embryos are used. The nucleus of an adult cell (such as a skin cell) is place...

An endocrine gland secretes its products, for example hormones, directly into the blood. An example of an endocrine gland is the adrenal gland which secretes adenaline made in the adrenal medulla directly in...

Semantics can be seen as the face value of a text, as in what the text, if taken literally, would mean. Pragmatics however, can be seen as the "hidden meaning" to what a text is saying. Sarcasm is ...

let y=2 x {take natural logs of both sides} ln y = ln(2 x ) {use rules of logs to change right hand side} lny = xln2 {differentiate implicitly} 1/y . dy/dx = ln2 {make dy/dx the subject} dy/ dx = y ln2 {writ...