What is the difference between a longitudinal wave and a transverse wave?

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.