3 Two substances, solid P and solid Q, were analysed. Solid P was copper(II) nitrate.
Tests were done on solid P and solid Q.

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

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

Using data from seismic waves, geologists have learned that earth’s interior is made up of several