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Explain why poor diet can cause a change in the number of red blood cells.

Iron in an essential micronutrient that can be obtained from the diet of an individual. Foods that are high in iron include red meat, dark green leaf vegetables such as spinach , and legumes. Having a poo...

Answered by Alkisti Niki P. • Biology tutor

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Complete the gaps in this sentence: In simple distillation, the mixture is heated to make the liquid . The vapour is then cooled to make it _.

First answer: evaporateSecond answer: solidify

Answered by Sammy B. • Chemistry tutor

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This rectangle is twice as long as it is wide. The perimeter of the rectangle is 30cm. What is the area?

50cm²

Answered by Sammy B. • Maths tutor

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Write the missing numbers on the lines.

76 + 84 = 16036+54 = 90

Answered by Sammy B. • Maths tutor

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Prove that 2^(80)+2^(n+1)+2^n is divisible by 7 for n belongs to the natural number.

We will prove that 2^(n+2)+2^(n+1)+2^n is divisible by 7 using formula to multiply powers with the same base:a^(b) * a^(c) = a^(b+c)Now looking at our expression we can write:2^(n+2) + 2^(n+1) + 2^n = 2^n...

Answered by • Maths tutor

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