Top answers

What are the three components that make up the Human Development Index?

HDI is a composite indicator used to rank levels of development among countries. The 3 components are:Life expectancy (years at birth)Education index (mean years of schooling/expected years of schooling)Stan...
GH
Answered by Grace H. • Geography tutor
11226 Views

Describe the processes of obtaining desired genes and their subsequent transfer into the cells of organisms.

In answering this question, it is important that the student outlines the steps and tools involved in the process (for learning purposes it is easier to learn the numerical steps, however, it is important th...
NG
Answered by Niamh G. • Biology tutor
4186 Views

Expand and simplify (x-4)(2x+3y)^2

Firstly, expand out the (2x+3y)^2 as (2x+3y)(2x+3y).Multiplying each term in the first bracket with each term from the second bracket gives 4x^2+6xy+6xy+9y^2 which simplifies to 4x^2+12xy+9y^2 by adding the ...
AW
Answered by Annie-May W. • Maths tutor
7342 Views

Explain how a standing wave is set up on a string fixed at both ends.

An oscillation is send down the string which is reflected at the other end. This leads to the superposition of two waves, the transmitted and reflected wave, on the string. At the ends, where reflection occu...
PS
Answered by Peter S. • Physics tutor
7348 Views

Peux-tu me donner du vocabulaire pour évoquer le thème du voyage et du tourisme?

On peut lister ensemble quelques verbes et noms utiles pour ce sujet;les verbes: voyager, visiter, se promener, découvrir, écouter, aller.les noms: pays, ville, aéroport, avion, gare, train, voiture, musée, ...
HC
Answered by Hélène C. • French tutor
3021 Views