According to the histology, structure, and functions of bones Is a specialized connective tissue with an intercellular calcified matrix Osteoblasts are gradually surrounded by newly formed matrix and become chondrocytes Is essential for growth and development of cartilage Lined by endosteum on the external surface and periosteum on the internal surface​

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

hope this