What has a positive impact on root growth in dirt?
nutrients burrs exercise support evaporation looseness Sand dollars sun's heat
A B C D E F G H
Soil or dirt is typically high in silica and alumina.
The looseness of dirt has a positive impact on  plant's roots' growth in that dirt.
What has a positive impact on root growth in dirt? (A) nutrients (B) burrs (C) exercise (D) support (E) evaporation (F) looseness (G) Sand dollars (H) sun's heat