Which idea is supported by the presentation? A Archaeologists have to be curious people.
B
Archaeologists have to be expert photographers.
C C Archaeologists must know how to build structures.
D Archaeologists need to understand modern technology.

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.

you didn't finish the sentence , how am i gonna you if you didn't finish the sentence