1. Diminishing returns to labour means that (highlight the correct answer): the greater the amount of output, the less labour that is needed. as more labour is employed, total output declines. as more labour is employed, each additional worker produces less additional output. as more labour is employed, total output will increase. the greater the amount of output, the less additional labour that is needed. PDQ-9.5?\" 2. True or False. lCapital is not subject to diminishing returns. (No explanation is needed highlight 'true' or 'false') 3. Draw a diagram showing a 'Malthusian equilibrium'. Refer to this diagram to explain Malthus's predictions of the relationship between population growth and the supply of land for food production. 4. Why does a production function have the shape that it does? Is it possible to shift the production function upwards? Explain what would make this possible. Draw a diagram to help you explain your