<span>All of its potentially negative effects are not certain yet.
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Answer: The electrons in an atom that take part in chemical bonding are the electrons in the outermost shell and they are called valence electrons.
Explanation: An atom is composed of three particles: protons, neutrons and electrons. The protons and neutrons occupy the centrally located nucleus while the electrons are located in the empty space outside the nucleus. Electrons are distributed around the nucleus in paths called electron shells. The electrons in the outermost electron shells are called the valence electrons. The valence electrons are the electrons that participate in chemical bonding. During chemical bonding, the valence electrons are either transferred from one atom to another or the valence electrons are shared between two atoms. A type of chemical bonding in which there is a complete transfer of valence electrons from an atom of a metal to an atom of a non-metal so that can attain octet or duplet structure of noble gases is called electrovalent or ionic bonding. A type of chemical bonding in which there is sharing of electrons between two atoms of non-metals so that both can attain the octet or duplet structure of noble gases is called covalent bonding.
Answer:
If the ovary does not enter the fallopian tube, it falls into the abdominal cavity and cannot be fertilized unless it finds it's way back to the uterus. Ectopic or tubular pregnancy would cause the fallopian tube to swell and eventually rupture.
Explanation:
When ovaries are released by the oviduct, it enters the fallopian tube, fertilizes and moves to the uterus where it is implanted. But if the ovum does not enter the fallopian tube, which could be as a result of an abnormality or the fallopian tube removed to prevent pregnancy or for medical reasons, then the ovum enters the abdominal cavity.
Pregnancy is still possible in this case if the ovum finds its way back to the uterus or IVF is been administered to the patient to induce pregnancy.
Ectopic or tubular pregnancy occurs when a fertilized egg is implanted in the fallopian tube. This is sometimes the case in the early weeks of pregnancy but eventually moves to the uterus. In severe cases, it would remain in the tube which in turn would make the tube swell and rupture.
Answer:
The answer is 1=glucose 2=carbon dioxide
Explanation:
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