How can you explain even though you continue to add pure water into a substance, even though the resultant pH might differ a little, the acidity or alkalinity of the substance still remains the same to that of substance?

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Which material burns faster? metal aluminum

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.