The human vertebral column is also referred to as the <u><em>spine or spinal column.</em></u>
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The<u> body / spinous process </u>of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.
- The <em>human vertebral column</em> is made of up a group or collection of bones called the<u><em> vertebrae</em></u>.
- In humans, we have a total of <u><em>33 vertebrae. </em></u>
- In <u>males </u>humans, the vertebrae are said to be <u>71 cm long</u> while in <u>females</u> it is <u>61 cm long</u>.
Therefore, the<u> body / spinous process </u>of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.
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A construction worker uses a hammer to drive a sharp nail into a concrete wall. What two simple machines is the construction worker using when he does this task-(D) a wedge and a lever
Explanation:
Simple machines are the tools an individual uses in his day to day life in order to make its work simpler.
For Example: Axles and wheel make it simple to carry a heavy object in a shopping cart.
<u>A hammer is a type of lever,</u>and is also a type of simple machines.A hammer can be defined as a heavy rigid bar moves around a fixed point ,that point is called fulcrum .
Wedges is also a form of simple machine and the inclined plane forms its foundation. A wedge can be referred to as the sharp edge of an inclined plane.They are used to level out a structure of an object
Thus we can say that A construction worker uses a hammer to drive a sharp nail into a concrete wall. What two simple machines is the construction worker using when he does this task-(D) a wedge and a lever
Survival I think (sorry if im wrong)
Explanation:
Homologous structures show individual variations on a common anatomical theme. These are seen in organisms that are closely related. 1. Give an example of a homologous structure from this activity: Crocodile
Sedimentary rocks are formed by cementation and compaction
