Jacob's teacher shows his class a shaker filled with table salt. Jacob thinks that the salt in the shaker looks like a s
Jacob's teacher then magnifies the salt and shows it to the class.
Based on the magnified picture, Jacob can tell that the salt in the shaker is made up of
A. many tiny pieces.
B. a clear liquid.
C. one large piece.
D. an invisible gas.

i think it is true since you can test the answer and can use observations to complete it.

aquifers are bounded above and below by impermeable rock. the driving force of groundwater movement in confined aquifers is pressure, rather than gravity.

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.