I’m not sure I think it’s D.) Hope I could help :)))
Djdjdndndkdkxkxmx
<h2>Answer:</h2>
Carbon
<h2>Explanation:</h2>
Carbon is essential part of living organisms. Scientist use carbon isotopes for dating purposes but the problem with carbon isotopes is also limited as Carbon dating only works for objects that are younger than about 50,000 years, and most rocks of interest are older than that
The plant has the genotype ssyy. (Uncapitalized because they are recessive genes, not dominant.)
It is the Foramen Ovale. The foramen ovale is a little gap situated in the septum between the two upper councils of the heart. The foramen ovale is utilized amid fetal dissemination to accelerate the go of blood through the heart.
The one fatal cardiac shunts, the other being the ductus arteriosus. Another comparative adjustment in the embryo is the ductus venous. In many people, the foramen ovale closes during childbirth.