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What is the difference between the preterite and the imperfect tense in Spanish?

The preterite tense is used to describe one off, completed actions that happened in the past. Some examples are: I WENT to the park (fui al parque), I ate a sandwich (comí un bocadillo). The imperfect tense ...
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Answered by Samuel W. • Spanish tutor
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What features of a laptop increase the speed at which it runs?

A higher clock speed (measured in hertz) means that the computer performs more tasks each second and so a program will run faster. Also, the greater the number of cores the machine has, the more operations c...
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Answered by Samuel W. • ICT tutor
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Explain how evolution by natural selection works.

Variation among genes codes for different phenotypes in a population. Individuals that have a phenotype that is better suited to their environment are more able to survive and reproduce, and therefore, have ...
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Answered by Eleanor S. • Biology tutor
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What occurs during the metaphase stage of mitosis?

Metaphase is the third stage of mitosis, following Interphase and Prophase. During interphase, the cell replicates its organelles and centrosomes and synthesis of specific proteins for mitosis occurs. During...
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Answered by Josephine M. • Biology tutor
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The equation of the line L1 is y = 3x – 2 The equation of the line L2 is 3y – 9x + 5 = 0 Show that these two lines are parallel.

Line 1 : y = 3x -2. Equation of a line general formula : y = m x + c , where m = gradient. Therefore, for y = 3 x - 2, m = 3 and therefore the gradient = 3. Line 2 : 3y - 9x + 5 = 0. Need to get into the gen...
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Answered by Emma M. • Maths tutor
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