Answer the following questions : 6- How fast are sand gazelles? Their speed reach almost 100 km per hour. 7- How much does the sand gazelle weigh? It weighs only 20 Kg 8- Is anything being done to save sand gazelles?Explain Yes, Some countries have begun breeding them for release into the wild. 9- What do the words they ( line 5) and their (line9)in bold in the text refer to ? They refer to sand gazelles.