A large firework is launched upward, in a straight line. It travels upward for 126 meters, with an average velocity of 36 m/s. How long did it take the firework to travel this distance? A. 5.6 s
B. 2.0 s
C. 3.5 s
D. 90 s

The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. this simple process iswhich kind of a change? a.a physical changeb. a chemical changec. a nuclear changed. an ionic change

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

What part of the ear is names after tools, such as the hammer and the anvil?