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How do you know when to use a relative pronoun, and which one do you use?

A relative pronoun comes almost always at the beginning of a relative clause. That's usually when you want to give extra detail about an object in your sentence. In English, this would be something along the...
MC
Answered by Matthew C. • German tutor
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Describe the cardiac cycle (7 marks)

During diastole the atria and ventricles are relaxed. The atrioventricular valves are open and the semilunar valves are closed. Deoxygenated blood enters the right atrium from the venae cavae and oxygenated ...
TS
Answered by Tara S. • Biology tutor
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A stationary unstable neutral particle decays into 2 separate particles with equal mass and velocity, what might the resulting bubble chamber diagram look like?

The two decayed particles will form identical spirals but in the opposite direction to one another, as they will have to be oppositely charged to preserve the overall charge. The spiral patterns will be iden...
PL
Answered by Patrick L. • Physics tutor
3539 Views

Using the substitution u = 2 + √(2x + 1), or other suitable substitutions, find the exact value of 4 0 1 ∫ 2 (2 1) +√ +x dx giving your answer in the form A + 2ln B, where A is an integer and B is a positive constant

I will attach a file with the solution during the interview because it is difficult to type the solution in here.
GB
Answered by Georgica B. • Maths tutor
10325 Views

How do electrical impulses control contraction of the heart?

Electrical impulses from the SAN (sinoatrial node) spread across the atria walls to cause contraction. The impulses then pass to the ventricles via the AVN (atrioventricular node) after a short delay to allo...
JA
Answered by Jack A. • Biology tutor
3226 Views