3
How does and charged object become positive?
loses electrons
6
0
O gains electrons
3
9
loses protons
O gains protons

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

The necleus of an atom is made up of what subatomic particles?