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When do you use 'ser' and when do you use 'estar' in Spanish?

This is something almost all English speakers learning Spanish struggle with, particularly since all the rules seem to have exceptions!Generally speaking, you use 'ser' for characteristics (descriptions, occ...
JL
Answered by Jenny L. • Spanish tutor
2346 Views

Why do group 1 metals become more reactive as you descend the group?

The outer electron is further from the nucleus of the atom, therefore feeling less effective nuclear attraction . As you descend the group 1 metals, more shells of electrons are present in the metal atom, th...
JS
Answered by Jacob S. • Chemistry tutor
3262 Views

Where do the lines 2y = 4x + 2 and - 3x + y = 4 intersect?

Rearrange the second equation in the form y = mx + c to get y = 3x + 4. Divide the first equation by 2 to get y = 2x + 1. When the lines intersect, they'll have the same x and y values, hence, set the equati...
EJ
Answered by Emma J. • Maths tutor
3238 Views

Describe two problems faced by President Roosevelt from the opposition to the New Deal. [4 marks]

President Roosevelt first faced criticism of the New Deal from the Supreme Court, which ruled that some of the measures of the New Deal were unconstitutional. They argued that the New Deal gave the federal g...
AB
Answered by Alfie B. • History tutor
10422 Views

Describe how an electrical impulse travels across a synapse

A synapse is a gap between two separate neurons . When the electrical impulse from the first neuron reaches the nerve terminal of the first neuron , chemical messengers called neurotransmitters (NTs) are rel...
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Answered by Arushi K. • Biology tutor
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