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Describe the similarities and differences between simple and facilitated diffusion?

Simple diffusion consists of molecules moving from an area of high concentration to low concentration, down their concentration gradient. Facilitated diffusion also involves molecules travelling from and are...
AB
Answered by Ali B. • Biology tutor
6910 Views

Prove that the decimal 0.303030... (recurring) has the value of 10/33

Let x = 0.303030... We do not want to deal with a recurring decimal, and so we want to cancel this out. The easiest way to do this is to multiply x by 10 and this means we multiple our decimal by 10 until we...
RS
Answered by Raz S. • Maths tutor
3629 Views

Explain the usage of the passé compose vs the imperfect tense

Simply, the passé-composé is used to describe a completed event in the past e.g. J'ai fait mes devoirs (I did my homework); whereas imperfect tense is used to describe an event or action that was ongoing in ...
JW
Answered by Joe W. • French tutor
1944 Views

given that (x+8)^2-62=ax^2+bx+c find the values of a,b and c (3 marks)

For this question, the main component of the equation we need o look at is (x+8)^2. We know that (x+8)^2 is the same as (x+8)(x+8). First we have to expand these brackets. For his I make small table to ensur...
NJ
Answered by Neyha J. • Maths tutor
2916 Views

What were the consequences of the Berlin Blockade and Airlift (1948-49)?

The Berlin blockade and airlift was a major incident in the Cold War because it was the first case of direct conflict between the US and the USSR. Indeed, both the blockade and the airlift had the potential ...
OP
Answered by Olivia P. • History tutor
47455 Views