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What is red shift?

Red shift is the lengthening ('stretching') of the wavelength of electromagnetic radiation emitted from a body moving away from the observer. This process occurs as the EM radiation loses energy while it pas...
EJ
Answered by Elis J. • Physics tutor
4717 Views

It is the oil price crash of 2014, and the Norwegian government is fearing a recession. What policies can be enacted to avoid a recession?

In this scenario, it would be suitable to use some Keynes. There are two parts to this. The first part is lowering taxes and increasing government spending. The second part is decreasing interest rate. By ha...
JR
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Describe the similarities between photosynthesis and respiration.

Both photosynthesis and respiration involve the conversion of energy from one form to another through a series of biochemical reactions. Both processes use and produce ATP in reactions that are carried out o...
JP
Answered by Jessica P. • Biology tutor
55440 Views

Describe and explain the main function of the proximal convoluted tubule in filtration/absorption.

The proximal convoluted tubule is used for selective re-absorption of glucose, water, peptides and other nutrients from the tubule fluid back into the blood. The cells lining this tubule are ciliated, to ens...
HR
Answered by Holly R. • Biology tutor
46045 Views

Name an appropriate reducing agent to convert ethanal to ethanol

NaBH4
LW
Answered by Louis W. • Chemistry tutor
4648 Views