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What is the difference between 'ser' and 'estar'?

Unlike English, there are two verbs that translate into Spanish as 'to be'. Getting this difference right is one of the hardest things for a learner of Spanish to learn. You would use ' ser ' for more perman...
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Answered by Tom R. • Spanish tutor
3298 Views

Find W where: 11-W/4 = 1+W

11-W/4 = 1+W 11-W = 4+4W (Multiply both sides by 4) 11 = 4+5W (Add W to both sides) 7 = 5W ( Subtract 4 from both sides) W = 7/5 (Divide both sides by 5 to get your final answer)
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Answered by Liam W. • Maths tutor
10817 Views

Trypsin is a protease produced in an inactive form in some cells of the pancreas. Suggest the advantage of producing it in an inactive form?

Trypsin is a protease that acts in the small intestine to digest proteins. The advantage of it being produced inactive form in the pancreas is so that it doesn't digest pancreatic proteins. This means it doe...
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Answered by Sarah A. • Biology tutor
20771 Views

To what extent can preparedness and planning lessen the effects of volcanic hazards?

Volcanic hazards have many effects that can be split into two catagories: those affecting people and those affecting the environment. Volcanoes can be made through both constructive and destructive fault lin...
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Answered by Phoebe B. • Geography tutor
2746 Views

How do organisms generate ATP?

Plants - harness light energy into chemical energy of ATP (photosynthesis) Eukaryotes- extract high energy electrons from fuels (mostly sugars) to synthesise ATP. This process is called oxidative phosphoryla...
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Answered by Mihai P. • Biology tutor
3691 Views