The difference in muscularity between the crop and the gizzard earthworm is that; Crop muscularity is soft while for gizzard it is hard.
<h3>What are the differences in Muscularity?</h3>
Earthworms usually eats the soil that has organic matter such as leaves and others.
Now, the digestive system of earthworms is made up of pharynx, oesophagus, intestine, gizzard and crop. The mode of digestion is that the food passes through the esophagus after which it is now pushed down the crop where it is used for storage and then in the gizzard where the food is being grind.
Finally. the difference between the crop and the gizzard is that the crop muscularity is soft while that of gizzard is hard.
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The elements that are expected to have similar characteristics with sulfur are oxygen, selenium, tellurium and polonium.
<h3>Elements in the same group</h3>
Elements in the same group in the periodic table share similar chemical characteristics.
<h3>Elements in the same group as sulfur</h3>
The elements found in the same group as sulfur, that share similar chemical characteristics include;
- oxygen,
- selenium,
- tellurium and
- polonium.
Thus, the elements that are expected to have similar characteristics with sulfur are oxygen, selenium, tellurium and polonium.
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It is important to note that the direct of flow of the electricity current in the Linear Machine is anti-clockwise direction. The resultant effect of this is such that is stand at variance with the change in flux as force is going the right direction. See attached Image (Illustration I).
<h3>What is the magnitude of the current?</h3>
Recall that Force (f) = il xB
Given that Force (F) = 10N; and
Magnetic Field Density B = 0.5T
Hence,
10 = i x 0.2 x 0.5
[Note that Width is converted to Meters from millimeters that is 200 mmm = 0.2m]
10 = 0.1i
i = 10/0.1
i = 100A
<h3>
What is the Induced Voltage Across the metal bar?</h3>
Note that Vg = Vde + IR
Vg = 10 + 100 x 0.05
Vg = 10 + 5
Vg = 15v
<h3>
What is the final speed of the metal bar?</h3>
The final speed of the bar is given as V
Recall that Induced Voltage is VB x L
That is:
15 = V x 0.5 x 0.2;
15 = 0.1 V
make V the subject of the formula:
V = 15/0.1
V = 150m/s
<h3>
What is the status of the Machine? a motor or generator?</h3>
Given that the current being supplied is in DC hence the machine is a generator. [Vdc x i]
<h3>What is the electric power of the source?</h3>
The electric power of the source is:
Vdc x i
= 10 x 100
= 1,000 watts
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You learn new thing every day!!!
Explanation:
The difference between comparative advantage and absolute advantage is that: A. Comparative advantage measures opportunity cost and absolute advantage measures efficiency.
<h3>What is a comparative advantage?</h3>
A comparative advantage can be defined as the ability of a business firm or country to produce goods and services at a lower opportunity cost than their rivals (competitors) or trade partners.
<h3>What is an opportunity cost?</h3>
An opportunity cost is also referred to as alternative forgone and it can be defined as the value, profit or benefits that are given up and forfeited by an individual or business firm, in order to choose or acquire something that is deemed most significant at a particular point in time.
In this context, we can infer and logically deduce that the difference between comparative advantage and absolute advantage is that comparative advantage measures opportunity cost and absolute advantage measures efficiency.
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