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What are the X and Y chromosomes?

Really simply, they are the chromosomes which decide whether you’re a boy or a girl. In total we have 46 chromosomes so 23 pairs which sequence everything about us- from the colour of our eyes to the how ...

Answered by Fatema R. • Biology tutor

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What is a theodicy?

A theodicy is an explanation for how there can be evil in the world if there is an all-knowing, all-powerful, all-loving God. An example of this might be that evil is the result of humans abusing their fr...

Answered by Charles S. • Religious Studies tutor

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Potassium forms an ionic compound with sulfur. Describe what happens when two atoms of potassium react with one atom of sulfur. Give your answer in terms of electron transfer.

Electrons are transferred from potassium to sulfur. 2 potassium atoms each lose one electron forming K+ / 1+ ionsSulfur atoms gain 2 electrons forming S2- / 2- ions. This results in the ionic formula K

Answered by Mariam B. • Chemistry tutor

2376 Views

A(0,2) and B(6,5) are two points on the straight line ABCD. If AB=BC=CD find the coordinates of the point D

If AB=BC=CD then the difference between each of the points is the same. If we look at the difference between A and B we can see that B is 6 further to the right, and 3 further up. So if we then add (6,3) ...

Answered by Rebekah V. • Maths tutor

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