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
Answer: Parietal lobe
Explanation:
The parietal lobes are one of the four main lobes of the cerebral cortex. It is positioned above the temporal lobes and behind the frontal lobes.
These lobes serves many important functions such as functioning and processing of the sensory information, body's awareness and spatial orientation.
This lobe processes the information about eye, head and body position.
Hence, the correct answer is parietal lobe.
Two daughter cells are created
Each person has a unique DNA profile. To determine paternity, only a very limited amount of tissue is used to match the DNA profile of the potential father to that of the child. The genetic test performed to determine whether a tissue sample belongs to a specific suspect needs a more extended tissue sample.
