1.1 A hypothesis is always the incorrect outcome of the experiment.  [ans1]  (1) 1.2 Fats and oils store energy and provide insulation.  [ans2]  (1) 1.3 An ecosystem is a community of interacting species and their environment.  [ans3]  (1) 1.4 Rickets is a disease caused by a lack of vitamin C.  [ans4] (1) 1.5 Insectivores are insects that only eat meat.  [ans5]  (1) 1.6 Chlorophyll is a substance in leaves that absorbs sunlight and gives leaves their green colour.  [ans6]  (1) 1.7 Iron is the mineral that produces red blood cells.  [ans7] (1) 1.8 Water and fibre are the substances that prevent you from suffering from constipation.  [ans8] (1) 1.9 Eggs provide us with more energy than potatoes.  [ans9] (1) 1.10 The Sun is the original source of energy.  [ans10]  (1)

Which point on the graph below represents an inefficient use of society’s resources? Click to view larger image.

Thomas Malthus’s prediction of mass starvation failed to come true because of increases in

QUESTION 8: TEXT BOX                                                                 (7) Read the instructions carefully and type your answer in the space provided. Take note that contrast refers to differences and compare refers to similarities.    

Instead of deciding to finish high school, Cecily could have decided to work full-time. Howwould an economist explain her decision to receive her high school degree?

SECTION A TOTAL [24]

2.2 You are going to visit a friend in North America, you are currently in South Africa. Because of how far away you are you must make a stop on a different continent first.  Use the map below and write down the route you would follow. (4)   To see the image below, click on the blue button below. The image will open in a new tab. DO NOT close this test. Navigate carefully between the tabs.     Your answer should include the following:   1. An ocean you will have to cross 2. Land on another continent (Name the continent) 3. Name the direction in which you will travel 4. Answer your friend’s question. Upon arrival, your friend wants to know in which direction South Africa is.    

Individuals who haven’t studied economics may not understand how all-you-can-eat buffets manage to make money. This scenario can be explained by the concept of ________, which makes each trip to the buffet line less satisfactory than the previous one.

QUESTION 9: TEXT BOX                                                                (2) Wetlands are beautiful but also vital to our planet. Read the instructions carefully and type your answer in the space provided.    

Which of these is an exogenous factor?