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What is the difference between "hay" and "hubo"?

In Spanish, "hay" is the verb that states that "there is" something or someone here or there. However, "hubo" is the past tense, which means "there was".A few examp...

Answered by Abraham L. • Spanish tutor

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How do you know whether a verb takes avoir or être in the past tense?

Most verbs in French take 'avoir' in the past tense e.g. manger --> j'ai mangé. However, there are 14 verbs that take 'être' in the past tense and these can be remembered using the DR ...

Answered by Tutor168268 D. • French tutor

2406 Views

Light with a frequency of 200nm is shone on a sodium plate with a work function of 2.28eV and electrons start escaping the surface of the plate due to the photoelectric effect. What is the maximum kinetic energy of one of these electrons in eV?

The work function of a metal is the minimum amount of energy required for electrons to start escaping the surface. This means that if we calculate the energy of each photon from the light and subtract the...

Answered by Robert S. • Physics tutor

3644 Views

Describe how a a neurone communicates it's information with an adjacent neurone through the synapse? (3 marks)

Neurotransmitter is released from presynaptic neurone into the synaptic cleftDiffuses across the synapse Neurotransmitter binds onto postsynaptic membrane

Answered by Sofia P. • Biology tutor

2209 Views

(i) What is the net agin of ATP in Glycolysis? (2 marks) (ii) Where is ATP used in Glycolysis?( 1marks)

(i) In the breakdown of glucose 4 ATP is produced, however 2 ATP are used leaving a net gain of 2 ATP.(ii) In the energy investment stage, 2 ATP molecules are used to phosphorylate glucose into fructose d...

Answered by Sofia P. • Biology tutor

2550 Views