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What are the ecological impacts of a changing climate?

There is growing evidence of the ecological impacts of recent climate change in all biomes. Plant and animal species are responding to changes in air temperature, soil moisture and water salinity. Every s...

Answered by Ruby O. • Geography tutor

1917 Views

Name the three steps in free radical substitution and give an example equation for each

Initiation: Cl2 (+UV) -> Cl + Cl Propagation: Cl + CH4 -> HCl + CH3 Termination: CH3 + Cl -> CH3Cl

Answered by Arwen G. • Chemistry tutor

2193 Views

Why was Bismarck such an important figure?

Bismarck was important for two reasons: 1. Through him Germany was 'united' and became a nation. 2. He left a very strong mark on German politics and the German constitution that would have effects right ...

Answered by William J. • History tutor

4381 Views

express x^2-4x+9 in the form (x-q)^2+y

divide the coefficient of the x term by 2-4/2=-2this is the value of the term, q.to find the term, y, simply square the value of q, and subtract it from the number term, which is in this case, 9(-2)^2=4. ...

Answered by Hugo C. • Maths tutor

5851 Views

4. The curve C has equation 4x^2 – y3 – 4xy + 2y = 0. P has coordinates (–2, 4) lies on C. (a) Find the exact value of d d y x at the point P. (6) The normal to C at P meets the y-axis at the point A. (b) Find the y coordinate of A

Differentiate Implicitly with respect to x- ( do it term by term, terms with only x's diff normally, terms containing a Y should be differentiated following the standard pattern but then multiplied by dy/...

Answered by Hamish P. • Maths tutor

6155 Views