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Present Indicative Tense (Presente Indicativo): regular verbs of the three conjugations (-are, -ere, -ire and verbs in -isc-)

In Italian, the present indicative tense works much like the present tense in English. You first need to remember that Italian infinitives end in one of three ways (-ARE, -ERE, -IRE) and that are conjugate b...
NP
Answered by Nadia P. • Italian tutor
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Give the pH of an alkaline solution

pH 8-14 (anything above pH 7 can be seen as alkaline)
JB
Answered by Jodie B. • Chemistry tutor
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Name two types of effectors in the body, and the response that effector makes

Muscle - it contracts Gland - it secretes hormones
JB
Answered by Jodie B. • Biology tutor
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Let r and s be integers. Then ( 6^(r+s) x 12^(r-s) ) / ( 8^(r) x 9^(r+2s) ) is an integer when: (a) r+s <= 0, (b) s <= 0, (c) r <= 0, (d) r >= s.

First of all, an integer is a whole number, i.e. a not a fractional number, that can be positive, negative or zero. To find the range of values r and s for which the above fraction is an integer we can start...
NP
Answered by Nadia P. • MAT tutor
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How can I improve the sophistication of my writing and achieve an A or A*?

One of the most effective ways to improve the sophistication and quality of your writing to reach the higher grades is to utilise embedded quotations. Consider the following example: Without embedded quotati...
EB
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