What advancement in the use of metal was achieved by the people of the Gupta Empire? They were the first civilization to mine iron ore.
They came up with methods to convert iron into steel.
O They created methods to extract metal from ore.
They were the first civilization to work with bronze.

Why was florance consterd the heart of the renassinance

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.

Ancedotal notes are a factual recording method