(Q).
If when something freezes, the density changes, then what property of a substance changes when it is frozen? Answer choices: - motility - molecular make-up - molecules - elements contained - Weight - energy - size - density
(A).
density

(Q).
If fertilizers help plants grow, then what can help plants grow? Answer choices: - Drought - Fertilizer - Solar energy - Acidic soil - evaporation - Energy. - Lack of sunlight - energy
(A).
Fertilizer

(Q).
If sections of earth moving causes volcanic eruptions, then what causes volcanic eruptions? 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
(A).
Tectonic plates moving