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I am sure it is (3n).This is because In angiosperms most common type of embryo sac formation, there is fusion of 1 sperm nuclei + 2 polar nuclei=triple fusion resulting in a triploid primary endosperm nuclues.
Three layers develop in an embryo .
Embryo is a noun and can be used as such in an almost infinite number of sentences. One such sentence might be "An embryo is a developing, growing, multicellular organism."
The same
Same
Atomic number is the number of protons in the nuclei of the atoms of an element. Each element has a unique atomic number. Mass number is the number of protons and neutrons in the nuclei of the atoms of a specific isotope of an element.
relationship between the number of sides of afigure and the number of vertices
There is no general exact relationship, because of the existence of neutrons in the nuclei of almost all elements and the lack of effect of neutrons on atomic number. An atom's gram atomic mass, however, is equal to the mass of one mole of the atoms in question.
For a neutral atom, the relationship between the number of protons and the number of neutrons is the same.
Directly Proportionate Relationship
No relationship.
even
even
The atomic number of a halogen or any other element is the number of protons in the nuclei of their atoms.
what is the relation between number of zeros and exponents
Iron has an atomic number of 26, which means its atoms have 26 protons in their atomic nuclei. Cobalt has an atomic number of 27, which means its atoms have 27 protons in their atomic nuclei. The number of protons defines an element.
I am sure it is (3n).This is because In angiosperms most common type of embryo sac formation, there is fusion of 1 sperm nuclei + 2 polar nuclei=triple fusion resulting in a triploid primary endosperm nuclues.