its A part
the formula u cn use is (y2-y1)/(x2-x1) Ans is -2/3
Where can I get detail information about "african giant land snail"?
Biology Photo efficency
How do you calculate the photosynthetic efficiency ..the % of solar energy reaching vegetation in an ecosystem that is converted to GPP ??? I know the amount of sol energy, GPP, NPP etc... is it the GPP divided by the energy reaching the amount of solar energy perhaps ??? Than...