Answer:
have the same number of electron energy levels
Explanation:
All of the elements in the same period have the same number of atomic orbitals that are occupied by electrons that are in constant motion. For example the elements in the first period have one orbital for its electrons. The elements in the second period have two orbitals for their electrons. As you move down the table, every row adds an orbital. At this time, there is a maximum of seven electron orbitals.
The answer to this question is the mitotic spindle. The
mitotic spindle is also called as the spindle fibers. Mitotic spindle is a
structure of eukaryotic cells that are formed during cell division wherein the
parent cells are divided into more cells. Components of mitotic spindle consist
of large number of proteins.
Answer:
The correct option is C. Spine is present on the posterior surface of the scapula
Explanation:
The scapula is a triangular bone that joins humerus with the clavicle.
The landmarks present on the posterior surface of the scapula are:
1. Spine: The spine of the scapula divides it into two parts.
2. Acromion: This is the landmark that connects with the clavicle.
3. infraspinous fossa: This landmark is present underneath the spine and the infraspinatus muscle is located here.
4. Supraspinous fossa: It is the landmark that is situated on top of the spine.
