An unknown substance is placed in a graduated cylinder of water. The substance immediately sinks to the bottom. What could the density of the substance be?

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

What effect might melting sea ice have for people who live in coastal areas?

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?