Answer:
it is two answers (A and d)
Explanation:
If we keep the same theory of light today we wouldn't be advanced as we are now so yes the old theory had to get updated or plain or replaced with a newer one, D is also correct because if you repeat something you will find out new things from the first time you tried it out.
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Its d but not 100 percent sure
The ingestion of bacteria or other material by phagocytes and amoeboid protozoans.
, is a form of asexual reproduction<span> and cell division </span><span>used by all poekaryotes</span><span> (bacteria and archaebacteria) and some organelles within eukaryotic</span><span> organisms.</span>
