(Q).
You are presented with the question "What property of a substance changes when it is frozen?" and the following answer choices: - motility - molecular make-up - molecules - elements contained - Weight - energy - size - density Now knowing that when water freezes , that water expands and water density is determined by temperature, choose the best answer.
(A).
density

(Q).
You are presented with the question "What can help plants grow?" and the following answer choices: - Drought - Fertilizer - Solar energy - Acidic soil - evaporation - Energy. - Lack of sunlight - energy Now knowing that aplant requires nutrients to grow and fertilizers add nutrients to the soil, choose the best answer.
(A).
Fertilizer

(Q).
You are presented with the question "What causes volcanic eruptions?" and the following answer choices: - Too much lava in the volcano - energy of moving objects - Lava getting too hot - Earthquakes - Tectonic plates moving - fissures of hot, acidic water - heating liquids - The area was once underwater Now knowing that the movement of tectonic plates causes volcanic eruptions and plate techtonics could be defined as the movement of the earth's sections or plates as a result of convectional forces below the surface, choose the best answer.
(A).
Tectonic plates moving