Top answers

What is the difference between "tu" and "vous" ?

"Tu" means 'you' in English and is an informal way to address friends and family members. "Vous" is the plural form of 'tu' and formal term used to address a stranger, or an individual wh...
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Answered by Daphne R. • French tutor
4304 Views

How can an object be at rest without friction?

Friction is a force, and no object can change speed (accelerate/decelerate) without first being acted on by a force. On a frictionless surface (with no other external forces present), there is therefore no f...
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Answered by Tom B. • Physics tutor
19227 Views

Explain four ways of increasing the rate of a reaction

Increase the temperature - this increases the kinetic energy of particles, so when they collide with each other the collision has a greater energy so is more likely to overcome the activation energy barrier ...
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Answered by Robert P. • Chemistry tutor
34618 Views

What are the differences between short term and long term memories?

Both types of memories have their separate stores in the brain. Short term memories are held briefly (15-20 seconds) and if not rehearsed and kept active in the short term store, the memories will be forgott...
EH
17039 Views

What is the difference between Mitosis and Meiosis?

These processes are easily mixed up. Both Mitosis and Meiosis are typed of cell division, but the 2 processes end up with different results! I always find it helpful to think of it like this: MiTosis - (with...
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Answered by Maria B. • Biology tutor
17421 Views