Consider what you know about biotic and abiotic factors in an ecosystem. What is one of the reasons that nutrients in a vegetable patch might be considered abiotic? Nutrients can come from dead plants which have decomposed.

Available nutrients affect the carrying capacity of garden plants.

Nutrients are mostly obtained from the soil.

Nutrient levels can change with changing ecosystems.

1) nutrients are mostly obtained from the soil

2) a stand of aspen trees dies and decays, leaving a clearing in the forest

3) it is studying the ecosystem

4) beetles and weevils are introduced to feed on the invasive purple loosestrife plant, reducing the number of loosestrife without impacting other plant species

5) the number of variables

Explanation:

i think the answer is b.

hope it

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.