QUESTION 7 7.1 Classify the following changes as either Physical or Chemical change:   7.1.1   Iron that rusts (1)   7.1.2   Perfume that is applied to your skin and then evaporates (1)   7.1.3   Treating excessive stomach acid (acid reflux) with baking soda. (1)     7.2 Give the correct chemical formula for each of the following:   7.2.1   Magnesium hydroxide (2)   7.2.2   Potassium carbonate (2)   7.2.3   Carbon monoxide (2)   7.2.4   Alluminium sulphide (2)   7.2.5   Copper(ii)sulphate (2) [13]

The antagonistic hormones that regulate blood calcium levels are

Hormones secreted by the anterior pituitary are produced in the

6.2 George receives over 740 mm of rain per year. Its natural vegetation of forests dominates the area. Right-click on the button to view Source E in a new tab     (A) Name the ocean current that flows along this part of Indian Ocean. (1)

  Question: 7   Study the following physical map of South Africa below: Right-click on the button to view Source F in a new tab       7.1 Label number 1, 2,3 and 4 indicated on the map above: (4)   1: [ans1] 2: [ans2] 3: [ans3] 4: [ans4]  

(D) Give an example of two South African towns you’ve learned about that’s temperature and rainfall is influenced by the Kalahari desert: (2)

SECTION B: ESSAY QUESTION   Right click on the button to open the essay rubric in a new tab.       QUESTION 2: Civil Resistance in South Africa 1970s & 1980s: The challenge of Black Consciousness to the Apartheid state   2. Steve Biko played a significant role in unifying black South Africans against the apartheid regime in the 1970’s. Critically discuss the validity of this statement. [50]   Type the answer for Question 2 here.  

Increased _______ stimulates the baby’s first breath.

(B) According to lines of latitude, select where Perth’s climate zone is located: (1)

Two or more genes that occupy the same locus on a chromosome are called this: