Nancy uses one 9-volt battery in each circuit. She uses the same amount and type of wire in each circuit. She also uses the same type of light bulbs in each circuit.
Which of the following is a control in Nancy's experiment?

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Explanation for basic character?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit