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Phoenix [80]
3 years ago
8

What was Henie Becquerel studying when he accidentally discovered radioactivity

Social Studies
2 answers:
Nadya [2.5K]3 years ago
8 0
He was looking at Uranium Salts
madreJ [45]3 years ago
3 0
I believe he was looking at uranium salts based on a little bit of research
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Professor Ober wants to collect a data about development of their physical skills among children. This means that the <u>children are his research subjects.</u>

To collect his data, professor Ober observed the children in the playground (which is  the children's natural habitat). He also did not told the children to do anything , he just quietly observe and let the children do what  they usually do. (not making any intervention)

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