Achemical equation is balanced by changing or addinga. chemical symbols.
b. subscripts.
c. coefficients.
d. reactants

Write the correct abbreviation for each metric unit

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.