ITS Not A clearly that’s just a really dumb answer to chose and on top of that D is the correct one because they both are bonds that wrap around and it tells what the DNA is (: hope this helps!
Answer:
Molybdenum deficiency symptoms in most plants are associated with a build-up of nitrate in the affected plant part. This is a result of poor nitrate reductase activity. Symptoms include: pale leaves with interveinal and marginal chlorosis (yellowing) and necrosis (scald);
