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To solve simultaneous equations we want to use only one variable so either x or y. Therefore we need to eliminate (get rid of) one of the variables .If you multiply x - 3y = 9 by 5 you will get 5x - 15y =...

The xylem tissue that runs from the roots to the leaves draws water up from the roots as water evaporates from the leaves. This process is called transpiration it is how water is replaced when water evapo...

A stakeholder is any person, organisation, social group, or society at large that has a stake in the business. Thus, stakeholders can be internal or external to the business. With a large decision such as...

Monoclonal antibodies are antibodies artificially derived from a single B cell clone (i.e. specific antibodies)An animal (typically a mouse) is injected with an antigen and produces antig...

The key to answering any moles calculation question in chemistry is working out which equation you need to use. Generally, if moles are involved it will be moles = volume x concentration or moles = mass/R...