Choice 1 protons and neutrons, not electrons because they are in the outside circling it
The answer is B. Bacteria blooms and decreased underwater photosynthesis causes asphyxia, killing the fish.
HOPE THIS HELP!
Answer:
Asteroid,moon,planet,star,solar system,galaxy, universe
Answer:
A) & B)
Explanation:
A) There are certain viruses that are present in both healthy and disease people.
Example: Polio virus is found in many human but it causes disesease in only 1% of human.
B) Viruses require host machinery for replication so they may not replicate in pure culture.
The postulate C is also violated, the virus may not produce disease in non-human experimental host because of inappropriate animal or vaccinated animal etc. Others exception includes, the same disease may be caused by various organisms and different organisms can also cause the same disease.
