2. analyze which can be used to identify an
unknown substance: mass, melting point,
density, volume, state of matter? sc.8.p.8.4

This graph gives information on changes in sea ice extent in the arctic ocean over a 30-year span. the overall trend shows in the ice extent. to address the trend, scientists need to ask themselves, one direct consequence of the trend is that

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

Particles vibrate in a rigid structure and do not move relative to their neighbors.