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As you know, the English language has rules that allow you to identify a question without too many problems: order of the words (auxiliary verb + subject + verb + ...) and/or presence of elements such as Whe...

First, it is important to note that a concentration gradient of H + ions is generated between the matrix of the mitochrondria and the inter-membrane space. This is because H + ion pumps pump H + ions from th...

Let's answer the question by solving an example: Take (8x 2 * 5x 4 * 2y 3 )/(20x 3 ). Firstly, let's take a look at the first bracket and rearrange it so we have both numbers and variables grouped together: ...

Historians acknowledge many factors causing the outbreak of war in 1939, however it is a culmination of these factors that must be seen as the ultimate cause in triggering the beginning of World War Two. It ...

Both of these elements are part of the 2nd group of elements on the periodic table. ie in first ionisation, their electron configuration changes from nS2 -> nS1. Strontium is a much larger element, so the...