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A concentration gradient occurs when you have a solute, like salt, dissolved in a solution, like water. Most of the time there won't be the same amount of salt through out all of the water - there will be mo...

For this answer, like with any other essay question, I encourage my students to draft an essay plan prior to writing. By doing so, my students show me their strengths and weaknesses which allows me to tutor ...

If both parents are heterozygous (xX) and the blue allele (x) is recessive to the dominant brown allele (X), the offpring has a 1/4 chance of getting homozygous recessive alleles (xx). If one or more of the ...

The conditional tense is used to descibe a situation in the future that may or may not happen. For example: If I were rich, I would buy a big house I could go to the cinema later The conditional tense is eas...

In French, the imperfect is used - to describe a scene eg. il PLEUVAIT dehors - to say that you did something on a regular basis in the past eg. je COURAIS chaque lundi matin - or to describe a continuous ac...