Answer:
Fossil fuels produce energy when used
Explanation:
when something combusts or is used it produces energt
The Alveolar macrophages, Cilia and the mucus layer
the answer is the last one
Inhaling through the nose
Answer:
Cells make RNA messages in a process similar to the replication of DNA. The DNA strands are pulled apart in the location of the gene to be transcribed, and enzymes create the messenger RNA from the sequence of DNA bases using the base pairing rules
Explanation:
