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1. Water evaporates from the cells and leaves the plant once the stomata open,

2. This creates a suction which pulls more water into the leaf

3. As water is cohesive d...

Part 1: "A salt is is when the H⁺  ion in an acid is replaced with a cation (e.g. a metal)" 

Part 2: You would use the silver nitrate test for halide ions. You add dilute nitri...

A vaccine is a weakened or dead form of a virus that contains the antigen of that virus.

An antigen is a protein on the surface of the virus that allows the body to identify it.

Specific T h...

Summary of solution: To find the angle between the planes, we must find the normal vector to each plane and then use the scalar product to find the angle between these two normal vectors....

Organisms do not adapt much over their lives, but in a large population there will be many different individuals. Some taller, some shorter, some may have a longer beak or a slightly different colour patt...