Answer:
B. Weathering
Explanation:
Fire makes trees weather and die.
When that bacteria changes in some way that reduces or eliminates the use of the drug.
Answer:
Mouth: site where mechanical digestion takes place
Stomach: A mixture of chemical etc...
Esophagus: At this site, muscles are contracted to falicilitate peristalsis
Decomposers don't obtain energy, they release it into the environment.
hope this helps.
Carbon Dioxide (CO2) because it is essential to cellular processes that allow plants to thrive and generate oxygen that we can breathe. Nitrogen could also be an example of one gas that's important.