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Describe the formation of a waterfall?

They occur where a band of hard rock (e.g. granite) overlies a softer rock (e.g. sandstone).

Erosion processes such as Hydraulic Action (the force of the water) and Abrasio...

FM
Answered by Fleur M. Geography tutor
3859 Views

What is transcription?

Transcription is the process of sections of DNA being converted into mRNA (messenger RNA) that occurs in the nucleus of a cell. DNA is made up of a template strand and a coding strand whi...

CM
Answered by Carolina M. Biology tutor
4081 Views

How can you tell if a reaction is endothermic or exothermic? Describe a way of determining if a reaction is exothermic or endothermic using simple laboratory equipment.

Exothermic and Endothermic reactions refer to if the change in Enthalpy of a reaction is negative or positive respectively.
If a reaction is exothermic that means that enthalpy change is nega...

TF
Answered by Tom F. Chemistry tutor
18418 Views

How can I predict the shape of complex ions from their formulae?

Complexes are formed through ligand binding (donation of a pair of electrons to the central metal atom), and the shape of the complexes is usually determined by steric factors - or how the ligands ...

TF
Answered by Tom F. Chemistry tutor
3184 Views

What is the coefficient of x^2 in the expansion of (5+2x)^0.5?

  1. We the answer in question in the form A(1+B)0.5 and we can do that by factorising out the 5. This gives 50.5(1+0.4x)0.5. 2. Identify the formula we are going to use ...
AA
Answered by Akinmi A. Maths tutor
3664 Views

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