What can I do to prepare for a tornado?

What can I do to prepare for a tornado? Tornado safety preparation tips Designate a safe room. This area can either be a storm cellar, a basement or a room on the lowest level of your home or building without any windows, like a closet. Put essentials in your safe room. Remove outdoor items. Reinforce […]

What is the symbol for median?

What is the symbol for median? There is no widely accepted standard notation for the median, but some authors represent the median of a variable x either as x͂ or as μ1/2 sometimes also M. In any of these cases, the use of these or other symbols for the median needs to be explicitly defined […]

How does light affect invertebrates?

How does light affect invertebrates? Many invertebrates depend on the natural rhythms of day-night and seasonal and lunar changes to light levels. As a result artificial lighting has several negative impacts on a wide range of invertebrates including disrupting their feeding, breeding and movement which may reduce and fragment populations. How does light intensity affect […]

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