Astudent dissolves some solid nano3 in a beaker of water. which are the solute and the solvent? choose all answers that are correct. a. solute: water b. solvent: water c. solvent: nano3 d. solute: nano3

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?