Top answers

What are Oxidation and Reduction?

Oxidation and Reduction forms the basis of Redox reactions - where electrons are exchanged between reactants to form new products. Oxidation is the LOSS of electrons. Eg: Fe 2+ - e - --> Fe 3+ Reduction i...
CL
Answered by Calum L. • Chemistry tutor
6928 Views

Why do energy and biomass decrease at successive stages of the foodchain?

Energy is transferred throughout the food chain as animals at lower trophic levels are consumed by those at higher trophic levels. In every living organism, energy is taken in as food. But when one organism ...
KH
Answered by Katie H. • Biology tutor
60816 Views

How can I figure out the gender of a word in Italian?

The basics Italian is fairly simple when it comes to gender, but there are a few occasions when a new noun can trip you up. Here are some basic rules to keep in mind: 1) Nouns ending in -o (singular) and -i ...
RT
Answered by Raphael T. • Italian tutor
27009 Views

How do we develop immunity?

Immunity is the ability for the body to respond to familiar pathogens so quickly that they are not able to cause a physical disease, meaning we can be infected for a short period of time, and not notice. To ...
CO
Answered by Chidera O. • Biology tutor
7929 Views

How do I use Pythagorus' Theorum?

Pythagorus' Theorum is used to calculate the lengths of the sides of a right angled triange, and is written mathematically as follows: a 2 + b 2 = c 2 The letters (a, b and c) each stand for one of the three...
NP
Answered by Narissa P. • Maths tutor
7376 Views