Which population increases the amount of soil nutrients available to plants?

a.
squirrels that bury nuts in the ground

b.
fungi that decompose the remains of dead trees

c.
flowers that turn to follow the sun as it moves across the sky

d.
bees that spread pollen from one plant to another

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.