The Answer would be C. Without plants in the ecosystem, it could not feed. Plants are mainly the only producers that feed 3rd level consumers which feed 2nd level consumers which feed 1st level consumers.
Abiotic: biotic
rocks animals
water plants
air fungi
sunlight bacteria
minerals
soil
Answer:
Alan runs 1250 m/min in five minutes
Explanation:
250 x 5
This magnesium ion will have a charge of +2. This is because it retained the same number of protons and neutrons, but the loss of 2 electrons (with negative charge) means that there are now 2 extra protons compared to electrons, and those 2 protons give a net charge of +2.
