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Que haces para ayudar el medio ambiente?

Trato de reciclar todo el tiempo. Después tomo una bebida, la reciclo. Además, el fin de semana pasado, mis amigos y yo fuieron al río para tirar basura. En mí opinión, todo el mundo debería proteger el medi...
GK
Answered by George K. • Spanish tutor
3122 Views

Describe how someone with breast cancer could go on to develop lung cancer (3 marks)

If the cancer is malignant, then the cancerous cells could spread via the bloodstream to the lung where a secondary tumor could develop. Lifestyle choices such as smoking that caused the breast cancer could ...
GK
Answered by George K. • Biology tutor
2914 Views

Solve the simultaneous equations: 2x+y=18 and x-y=6

To solve these simultaneous equations there are two different methods that could be used. The first one to try in this case is to start with rearranging one of the equations to get a value of y by itself. Fo...
EE
Answered by Ella E. • Maths tutor
4231 Views

What is meant by a positive feedback loop, and could you give an example?

Feedback loops/systems/cycles can be either positive or negative, and it is important to understand the difference between the two. Crucially, in this case, 'positive' does not refer to something which is 'g...
TH
Answered by Tom H. • Geography tutor
7358 Views

How would changing reaction vessel volume and reaction vessel temperature affect the rate of a reaction?

Reaction vessel volume If the reaction vessel volume were to be increased, the concentration inside the vessel would decrease. Therefore the molecules would not be as likely to collide with each other, lower...
JL
Answered by Jakub L. • Chemistry tutor
18882 Views