Top answers


Critically discuss the strengths and weaknesses of Kantian Ethics

Kant sought to provide the moral agent with an intrinsic, deontological, universal system of ethical rules to follow in all situations, in order to work out the correct moral action to take. His ethical syst...
BG
11345 Views

During succession the species present changes. Explain why.

The pioneer species (or any other species) changes the environment, making it less hostile. Also some species are better competitors and out-compete others.
AB
Answered by Alfie B. Biology tutor
8988 Views

A student wishes to investigate the effect of surface area on the rate of reaction between marble chips and hydrochloric acid. Which variables should he control?

Concentration of HCl, Mass of marble chips (use excess HCl).
AB
Answered by Alfie B. Chemistry tutor
5021 Views

How is structure relevant to enzyme function?

Enzymes are functional proteins which are used to catalyse reactions. They all exhibit primary, secondary and tertiary structure, and some which have more than one polypeptide chain have quaternary structure...
AM
Answered by Alec M. Biology tutor
28877 Views

Expand the following expression: -5x(x-7)(x+3)

Expansion of the given expression will result in x to the 3rd power, as there are 3 parts involving x, multiplied together. Let's ignore -5x for a second, and multiply the two expressions in brackets (using ...
MS
Answered by Matas S. Maths tutor
5500 Views