Often occurs than soil is formed, depleting topsoil

1. glaciers are melting

2. more water going into ocean (water's such as fresh waters, etc)

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls

a covalent bond, specfically triple bond