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An isotope is an atom of the same element, but with a different number of neutrons. Hence, it has the same atomic number but a different mass number.

Firstly, a free-body diagram of the problem should be drawn indicating the forces acting on the block (remember that the friction force is the product of the normal reaction on the block and the coefficie...

Start with prior knowledge- What do you know about this subject- if anything? What would you like to know? How does your prior knowledge compare with the information given in the articles? What insight ca...

A gene is a length of DNA that codes for a particular trait. ( Think of- jeans - they are long items (length) of clothing, what they're made out of determines what they are. This is a key concept of g...

So Bacteria and other pathogens are too large to enter a cell via diffusion across the cells membrane so instead white blood cells will engulf them. This is essentially what phagocytosis is and cells that...