Английский язык. 5. Ask for additional information. 5. Ask for additional information.

1. Henry Becquerel discovered radioactivity (when? how? what?).

2. Oxygen is the most important constituent of air (who? when? what?).

3. Scientists worked out two different ideas about the nature of light (what? when? who?).

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Sure! Here are some additional questions you can ask for more information on each topic:

Henry Becquerel discovered radioactivity:

When did he make this discovery?How did he come across the phenomenon of radioactivity?What experiments or observations led him to conclude that radioactivity exists?What were the implications of his discovery for the field of physics or medicine?

Oxygen is the most important constituent of air:

Who conducted the experiments to determine the composition of air?When was this knowledge first established or widely accepted?What are the key functions of oxygen in supporting life?What experiments or research supported the understanding of oxygen's importance?

Scientists worked out two different ideas about the nature of light:

What are the two ideas or theories about the nature of light?When did these theories emerge or develop?Who were the key scientists involved in formulating these theories?What experiments were conducted to test or support these theories?

Feel free to ask for more details on any of these points!