Unlike rock all minerals blank and blank. a. are expensive, are difficult to get b. occur naturally, have a fixed chemical composition c. contain metal dissolve in acid d. fracture, contain silica

3. what was the government’s target population (goal) for 2000?

Match the vocabulary word with its meaning. 1. gender a large-scale spread of a deadly disease 2. pandemic the development and use of machines, devices and ideas to further people's knowledge 3. technology the sex of a person, whether male or female

The difference between ptolemy iii and ptolemy xiv