What did madam curie study when she was negatively affected by radiation?

At first she was studying uranium and, later on, polonium and radium.

Explanation:

Marie Curie is, to this day, one of the greatest scientists in history. She was the first woman to win a Nobel Prize and to teach at Sorbonne, in Paris.

While researching to obtain her Ph.D.'s, Marie began to deal with uranium. She was trying to figure out why the rays emitted by uranium were not x-rays. While doing that, she found out that uranium minerals pitchblende and torbernite contained another chemical element that was more active than uranium itself.

From pitchblende, Marie was able to discover two new chemical elements: polonium and radium. The word radioactivity was coined after observing the element. Marie noticed that radium produces heat and luminosity without any chemical reaction taking place.

the correct answer is (a); the angles, saxons, jutes, picts, and celts

explanation:

explanation:

family is anyone that you care for and they equally care for you, family sticks together and everyone loves one another, whether they are blood or not anyone can be family. family composition is the makeup of a family, including the number of members, their ages, and their relationships to each other.