A simple <em><u>refracting</u></em> telescope uses two convex lenses to gather and focus light from a distant object.
Answer:
The reactivity of acetic acid with various chemicals.
A. nucleus because it is in the center of the cell and it’s the core of the cell
Answer:
A scientific hypothesis can become a theory if the hypothesis is tested extensively and competing hypotheses are eliminated.
Explanation:
So yeah if you have a lot of evidence and it is tested mutiple times it consider a theory.
