Top answers

Explain why evaporation cools a liquid.

Evaporation occurs when the most energetic particles in a liquid have enough energy to overcome the attractive intermolecular bonds and leave the liquid. Because only the hughest energy particles evaporate t...
CK
Answered by Charlotte K. • Physics tutor
3350 Views

What is hCG and what does it do?

human chorionic gonadotropin ( hCG ) is a hormone which is closely associated with the early stages of pregnancy. It is produced by the blastocyst once it has implanted into the endometrium of the uterus. hC...
CA
2984 Views

Assess whether the Thatcher Governments 1979-1990 transformed Britain.

Heraclitus, the pre-Socratic philosopher noted ‘No man ever steps in the same river twice, for it's not the same river and he's not the same man’. Similarly, every Prime Minister will transform Britain but t...
TC
Answered by Thomas C. • History tutor
2410 Views

Assess the relative strengths of China and India and decided which you think will become the more dominant superpower of the 21st century (30 marks)

The term ‘superpower’ originated in 1943 with a series of lectures about the potential shape of a new post-war world order by Duch-American geostrategist, Nicholas Spykman. Then in 1944, William Fox, an Amer...
TC
Answered by Thomas C. • Geography tutor
3111 Views

Is the breakdown of individual identity presented as an inevitable outcome in Aldous Huxley’s Brave New World and Margaret Atwood’s The Handmaid’s Tale?

In March 1860, the English philosopher John Stuart Mill stood up in the House of Commons and lambasted the Government, calling them ‘dys-topians’ with their ‘too bad’ vision for Ireland’s future (Mill, 2015:...
TC
6089 Views