Answer:
(i)
x= nucleus
y= chloroplasts
z= vacuole
(ii)
1) an animal cell does not contain a vacuole but a plant cell does
2) a plant cell contains chloroplasts but an animal cell does not
<span>An example of allopathic veterinary medicine is surgery. The sentence is a fact.
>> </span><span>Veterinarians come in two types:
--allopathic -</span> practice conventional medicine, believed that animal diseases come from <span> bacteria, viruses, toxins, and such. To stop this, they perform surgery or treat sick animals with prescribed drugs.</span><span>
--- holistic- </span>treat the whole animal, not just one organ or limb.,believed that animal can heal themselves; consider the animals' environment and history; uses <span>conventional and alternative modalities</span>
"Untreated water from a factory flowing into a lake" is an example of point source pollution.
Why? You can actually point to a specific source- the factory. Runoff isn't considered point source.
If I helped you mark brainliest.
B.
Ozone is an example of a secondary pollutant as it is formed due to the effect of a primary pollutant.
