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Describe the differences and similarities between osmosis and diffusion (4 marks)

Similarities:neither require energyboth move particles from a high concentration to a low concentration area
differences:Osmosis requires a partially permeable memberonly water moves by osmosis but l...

BW
Answered by Brian W. Biology tutor
3137 Views

There are 40 counters in a bag. 13 are red, 20% are green and the rest are yellow. What proportion of counters are yellow?

20% green counters - means 1/5 of all counters are green. 1/5 of 40 = 40/5 = 8 counters are greenthe number of counters that are green + the number of counters that are red = 8 + 13 = 21the number of coun...

Answered by Maths tutor
3660 Views

Explain how the theme of social responsibility is presented in J.B. Priestley's 'Inspector Calls'

The theme of social responsibility is deeply embedded within Priestley's 1945 play which is set in 1902. Priestley uses the figure of the Inspector as a symbol of moral responsibility as he advocates the ...

AM
15057 Views

Describe thermal conduction

Thermal conduction is one of three types of heat transfer. It occurs when 2 objects are in contact and have a difference in temperature. The kinetic energy is passed on from the warmer object to the coole...

LT
Answered by Lakshan T. Physics tutor
2220 Views

Solve x^(2) + 7x + 6 = 0.

1) Factorise x2 + 7x +6 Numbers that multiply to make +6: 6 and 1, -6 and -1, 3 and 2, -3 and -2...

RH
Answered by Rebecca H. Maths tutor
3293 Views

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