The correct answer should be A. spores
Ferns don't have seeds and they reproduce using spores. Cones have seeds in them and seeds fall out. Pollen enters a flower and then the flower becomes a fruit. This is sexual reproduction of plants. Since ferns don't have this, they have to reproduce with spores.
The answer is Bacteria
Prokaryotes are a microscopic single Celled organisms that has neither a distinct nucleus with a membrane nor other specialized organelles.
Answer:
Thus, the correct answer is 'Carbon dioxide, water, and sunlight'.
Answer:its " with monitoring, the concentration of every pollutant has decreased."
Explanation: just took it on Ap3x