Question

You have viewed multiple unknown astronomical objects in this lab activity. In all tests, what was your test variable (independent variable)?

The amount of an element in each object
The type of elements in each spectrum
The astronomical object viewed by the spectrometer

Answer 1

The spectrum of each astronomical object

Step-by-step explanation:

I took the test and got it right

Answer 2

Could you give information about the lab

Step-by-step explanation: