Describe 4 real life examples of scientific inquiry

What are the percent by mass of copper in penny lab

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space