Certain types of bacteria play an important role in an ecosystem. Which statement BEST describes the function of bacteria? Bacteria produce light energy used by producers in an ecosystem.

Bacteria decrease the amount of energy needed for the ecosystem.

Bacteria break down organic debris to recycle nutrients in the ecosystem.

Bacteria convert carbon dioxide into oxygen for photosynthetic organisms in the ecosystem.

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.