Some modern areas of study have names based on greek. mark each of the following areas of study if its name has a greek origina. biolygyb. physicsc. geographyd. algabrae. philosophy

The answers are:

a. biology - comes from the Greek ''bios'' which means ''life'', and ''logia'' which means ''study of''.

b. physics - comes from the Greek ''physike'' which means ''knowledge of nature''.

c. geography - comes from the Greek ''geographia'' which means ''earth description''.

d. algebra - comes from the Arabic ''al-jabr'' which means ''reunion of broken parts''.

e. philosophy - comes from the Greek ''philosphia'' which means ''love of wisdom''.

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).