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Discuss the nature and impacts of one or more volcanic events that you have studied.

In 1991, Mount Pinatubo in the Philippines erupted with huge explosivity, due to a large build up of gas in the magma chamber in the lead up to the eruption. A main primary hazard was the ejection of a huge ...
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Answered by Rachel P. • Geography tutor
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Given ∫4x^3+4e^2x+k intergrated between the bounds of 3 and 0 equals 2(46+e^6). Find k.

Sorry I couldn't write the question properly in the question box. The question should read:Given ∫ 3 0 4x 3 +4e 2x +k dx = 2(46+e 6 )Find K.Step 1- Intergrate ∫ 3 0 4x 3 +4e 2x +k x 4 +2e 2x +kx+cStep 2- Sub...
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Answered by Charlie M. • Maths tutor
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How do I compare two sources in an exam answer?

It may seem simple, but the first and most important thing to remember when comparing two sources is not to forget to include some kind of analysis on both of the sources in your answer. Just because one may...
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Answered by Elizabeth M. • History tutor
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Describe the structure of muscle and how it contracts

Muscle is made of many myofibrils. These contain many myofilaments. Within each myofilaments is a string of sarcomeres. Each sarcomere contains myosin (thick filaments) and actin (thin filaments). Myosin has...
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Answered by Luke W. • Biology tutor
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How do vaccinations work?

Vaccinations contain a dead or inactive form of a pathogen, which is a disease causing microorganism (such as bacteria and viruses). When people are vaccinated, the inactivated pathogen goes through the bloo...
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