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What is meant by Descartes phrase: "I think, therefore I am"

Descartes here is describing the inability to prove anything else but for the fact that he is thinking about proving his own existence. He states that all our physical senses, such as our visual, can be t...

DS
5835 Views

(x+2)(x-3)

Multiply the first term in the first bracket, so that would be x, with the second bracket. step one: x(x-3) is identical to: x^2 - 3x

We can now multiply the second number in the first bracket, whi...

LW
Answered by Lai Wah T. Maths tutor
3048 Views

How to do a genetic cross to work out the offspring phenotype probabilites?

Construct a punnet square, putting the gametes of one parent in the first vertical column and the other parent in the first horizontal column. Next carry out the cross by combining the gametes in the squa...

GR
Answered by Georgia R. Biology tutor
4584 Views

When do I use the subjunctive instead of the present indicative tense?

The present subjunctive is used in situations that express doubt and uncertainty. Things that you are to some extent unsure they will happen, unlike the present, used for true facts and situations. There ...

MM
Answered by Marina M. French tutor
3342 Views

How does DNA replication take place?

DNA replication takes place in a semi-conservative manner, where each of the DNA strands serves as a template for the formation of a new strand. This ensures genetic continuity between generations, as gen...

DN
Answered by Dominika N. Biology tutor
11164 Views

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