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How do I answer a question which requires source analysis?

The most common question in history A-level source papers is “With reference to these sources and your understanding of the historical context, assess the value of these sources to an historian”. The most...

Answered by Elin S. • History tutor

4543 Views

Vous écrivez un article sur l'importance des réseaux sociaux pour votre blog.

De nos jours, les réseaux sociaux jouent un rôle extrêmement important pour les jeunes et aussi pour les adultes. Pour les jeunes, les sites en ligne comme Facebook et Twitter sont essentiels pour se conn...

Answered by Elliot L. • French tutor

2545 Views

Describe and explain the adaptions of the human alveoli in making gas exchange efficient

Gas exchange can be made efficient in three main ways: shortening the diffusion distance, increasing the diffusion speed and increasing the surface area of the diffusion surface. The alveoli in the human ...

Answered by Eloise G. • Biology tutor

3707 Views

Why does the enzyme Maltase catalyse only the hydrolysis of maltose.

The active site of the enzyme has a specific tertiary structure. The active site is complementary to the substrate maltose. Therefore

Answered by Keegan S. • Biology tutor

4922 Views

Express 8/((root3) -1)) in the form a(root3) +b, where a and b are integers.

You would multiply both numerator and denominator by the expression (root3 +1)/(root3 +1). This expression is equal to 1 hence the original expression remains unchanged. The new expression is now (8(root...

Answered by Shubham K. • Maths tutor

6501 Views