Iron tools were used for agriculture. Larger communities pushed into the Ganges river . They used iron tools to cultivate rice.
Answer:
California, Hawaii, New Mexico and Texas
The representative eye that Rebecca wants to borrow from her optometrist dad, which is larger than real human eye, is a model.
- A model is usually a representation of an object. It is used to convey information about the real thing (object).
- A model may be less or more than the real object. Its use enables Rebecca to present her speech on the human eye and its workings so that her audience can easily understand the speech.
Thus, the representative eye is not an object, a chart, or a graph. Instead, it is a model that represents the real human eye, which is an object.
Link to models at brainly.com/question/17497537
