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Describe and explain the formation of an oxbow lake

Oxbow lakes are often found in the middle course of a river where the discharge is high. Firstly, a meander will begin to form. On the inside of the bends (convex banks) deposition occurs and on the outsides...
FK
Answered by Felix K. • Geography tutor
5261 Views

Explain how the use of fossil fuels and changes in agriculture may have contributed to global changes in temperature (4 marks)

When fossil fuels are burnt, they release carbon dioxide. Carbon dioxide is a greenhouse gas which traps incoming radiation from the sun. This radiation causes the atmosphere to heat up and thus we see an in...
FK
Answered by Felix K. • Geography tutor
3752 Views

Explain the differences between aerobic and anaerobic respiration (in animals), when the transition occurs and why there is a need for the body to remove lactic acid that is built up during the process?

Respiration occurs within the mitochondria, an organelle in all our living cells. Aerobic respiration occurs when there is sufficient oxygen for the body to completely breakdown glucose into carbon dioxide a...
RK
Answered by Rabia K. • Biology tutor
2419 Views

Find the coordinates of the minimum/maximum of the curve: Y = 8X - 2X^2 - 9, and determine whether it is a maximum or a minimum.

First we need to find the derivative of the curve:dy/dx = 8 - 4X.We can then find the X coordinate by setting this equal to zero: 0 = 8 - 4X, X = 2.Plugging this back into the original equation gives us the ...
ML
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2x^2-7x+3=0, solve the following for the two solutions of x

X=1/2X=3
AJ
Answered by Alireza J. • Maths tutor
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