The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and
sastatic adjustments. which is not true about the role of the asthenosphere in plate tectonics?
the asthenosphere is broken up into seven very large continental- and
ocean sized plates
convection currents generated within the asthenosphere push magma
upward through volcanic vents and spreading centers to create new crust.
heat from deep within earth is thought to keep the asthenosphere
malleable, lubricating the undersides of earth's tectonic plates and
allowing them to move
according to the theory of plate tectonics, the asthenosphere is the
repository for older and denser parts of the lithosphere that are dragged
downward in subduction zones

option c is the correct answer.

the answer is c. it will give up it's valence electron to the other atom.

1. amino acid refers to the fundamental building block of proteins, comprising of an amino group and a carboxyl group.

2. catalyst refers to any substance, which increases the rate of chemical reaction without being used up in the reaction.

3. a complex molecule containing he genetic code is dna or deoxyribonucleic acid.

4. an enzyme refers to a molecule of protein, which is unique in accelerating up a particular chemical reaction in the biological systems.

5. nucleic acid refers to an sequence of sugars, phosphates, and nitrogenous bases, for example, dna and rna.

6. a protein refers to a large, composite organic molecule comprising of a huge number of amino acids associated together with the of peptide bonds.

7. rna refers to a nucleic acid that takes part in the production of proteins.

8. substrate refers to a compound, which takes part in a chemical reaction, and is chemically modified by the reaction.