Can you please mark me as the brainliest answer? C, with interchangeable parts, factories worked faster, they could quickly change a part or replace. It is still used today.
Answer:
. Bacteria, viruses, and plankton
Explanation:
they are the important microscopic organisms in the biotic factors. Bacteria are not always bad. They can break down the dead organism and make it into nutrition.
The president should be elected by popular vote .
