im working on an assignment and i need help with making up five thoughtful questions about graphene. they need to be unique and thought provoking. can someone please help!! thank u.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

An observation that requires measurement is called quantitative observable or qualitative