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Why is genetic diversity important within a population?

Genetic diversity within a population is the variety of different alleles (versions) of genes present, which lead to a variety of phenotypes. It is important for a number of reasons, such preventing inbre...

RS
Answered by Rosie S. Biology tutor
7983 Views

Why does nuclear radius decrease and first ionisation energy increase across the period?

As we move across the period electrons occupy the same outer electron shell, having roughly the same distance to the nucleus. Moving across the period nuclear charge increases as the number of protons in ...

JM
Answered by James M. Chemistry tutor
3046 Views

How do you approach an unseen poem?

​​​​​ Read the poem twice and think about any key themes that first jump out at you. After carefully reading the poem begin to annotate it, paying particular attention to any literary devices used by the ...

AA
3831 Views

Which case should I use with which preposition?

All prepositions in German will be followed by a case, either Dative or Accusative. Some of these are always the same, for example, "nach" (after/according to) will always be followed by the Dat...

DM
Answered by David M. German tutor
2116 Views

A circle C with centre at the point (2, –1) passes through the point A at (4, –5). Find an equation for the circle C.

You would start with this equation (x – a)2 + (y – b)2 = r2, with the center being at the point (a, b) and the radius being "r". Therefore you would have (x-2)

IN
Answered by Ishan N. Maths tutor
4987 Views

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