One will be due to climatic change or it might be coz of evolution
"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.
The statement 'vascular tissue, seeds, flowers' shows the evolutionary sequence in which plant features developed (Option A).
<h3>What is evolution?</h3>
Evolution means descendence with modification, which mainly occurs due to natural selection.
In terrestrial plants, the main evolutionary feature that emerged was the appearance of vascular tissues.
Subsequently, terrestrial plants evolved to produce seed plants and then flowers (angiosperm plants).
Learn more about plant evolution here:
brainly.com/question/843904