Answer:
A cardiologist is a physician who specializes in the treatment of diseases of the heart and blood vessels, which affect the cardiovascular system. A practitioner must complete four years of medical school and then six or eight years of internal medicine and specialist cardiology training to become a cardiologist.
Explanation:
- Eijiro <3
The answer has to be B. Distribution of ocean food chain
Answer:
Nitrifying bacteria such as Nitrosomonas play an important role in providing nitrogen to plants and limiting carbon dioxide fixation. They are found widely distributed in soil or water, where there are large amounts of ammonia, such as lakes or streams into which treated and untreated sewage is pumped.
Please vote for brainliest
Dendrochronologist
<span>Dendrochronology (or tree-ring dating) is the scientific method of dating <span>tree rings.</span></span>
Ecology because it explains plants and animals
