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Provide and explain one example of natural selection

For natural selection to occur, four conditions must exist. The first is that the population reprodces enough for there to be competition for resouces and survival between the members. The second is that par...
CM
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Arabic Speaking Exam: Describe what you did this weekend

‏في نهاية هذا الأسبوع ذهبت الى البحر مع عائلتي و تناولنا في مطعم عربي. بعد ذلك ‏ذهبت إلى السينما مع أصدقائي وشاهدنا فيلم رعب وتعشينا في بيت احد من أصدقائي. ثم ذهبت إلى ‏منزلي ونمت نوم عميق.
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Answered by Christelle M. • Arabic tutor
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Explain the effect of an increase in temperature on enzymatic activity

All enzymes have an optimum temperature, at which rate of reaction/catalysis is fastest. Any deviation from the optimum temperature will slow down rate of reaction. Like most chemical reactions, an increase ...
CT
Answered by Charlie T. • Biology tutor
5996 Views

Talk about your family members and how your house is structured

"La mia famiglia è abbastanza numerosa. Vivo in casa con i mie genitori e le mie due sorelle. Mio papà si chiama Giovanni e ha 52 anni e lavora come muratore. Mia mamma si chiama Rossella e ha 47 anni, ...
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Answered by Daiana V. • Italian tutor
2543 Views

Expand the brackets: (x-3)(x+4)

First Multiply x by (x +4) Next multiply -3 by(x+4) Then simplify the sum : x 2 +4x-3x-12 Hence the answer is : x 2 +x-12
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Answered by Anthony N. • Maths tutor
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