Beta-lactams are selectively toxic because _______.

A superinfection results from _______.

8.3 Ivory is a type of crop the African farmers farmed with. (1)

1.1 The San moved around a lot, and because of that they were known as ________ people. (1)

QUESTION 3: Contextual questions Read the following extract and answer the questions that follow NOTE: Not all the answers can be found in the text Click on the button below to open the text for this question (Section B Question 3). The image will open in a new Internet tab DO NOT close THIS tab with your quiz on it, and carefully navigate between this tab and the tab with the image on it.  

2.2 Explain what ‘Archaeology’ is.  (2)

QUESTION 3: Short paragraph writing   The San discovered over the years that some plants can be used for medicine.Discuss the uses of each of the following plants in full sentences:•    Hoodia•    Sickle bush•    Buchu plant  (6)

The dH for the solution process when solid sodium hydroxide dissolves in water is -44.4 kJ/mol. When a13.9 g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increasesfrom 23.0oC to ________eC. Assume that the solution has the same specific heat as liquid water, i.e., 4.18 J/g-K.

_____ is the failure to act as another reasonable, prudent professional would have acted in a similar circumstance.

1.4 The San men chewed Hoodia while hunting because …… (1)