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Arguably, the primary anthropogenic cause of climate change is the use of fossil fuels, which emit greenhouse gases. These gases can act negatively in the atmosphere by creating a 'blanket Earth' where ra...

In order to raise money, we need the average number of wins to be smaller than the average number of losses by at least a factor of 0.4.
The average number of wins will be the number of games multipl...

Find the wage received from normal rate= 8x14=112. We then find the wage received from working overtime by finding the number of extra hours worked (12-8=4) multiplied by the overtime wage of (1½ x14= 1.2...

area of a circle = pi x radius^2
64pi/4 = 16pi
Student must be aware of the equation for the area of a circle and that they must divide by 4 to get the answer here

ZnCO3 + 2HCl --> ZnCl2 + H2O + CO2
Student must be aware of the formula for a carbonate (CO3) and how to balance the equation. I leave the balancing to the end to make sure I have written the equa...