What usually accompanies a cold spell in Minnesota?O A. The polar jet stream moves south.
O B. The polar jet stream moves north.
O C. The horse latitudes moves north.
O D. The doldrums moves south.
Answers
The polar jet stream moves south is accompanies a cold spell in Minnesota. Therefore, option (A) is correct.
What do you mean by polar jet stream?
Polar jet stream is a belt of strong upper-level breezes that sits on the polar front. The winds generally move in a westerly direction in midlatitudes and are strongest at the tropopause, the upper boundary of the troposphere.
The convergence of cold air masses coming down from the Arctic and warm air coming up from the tropics creates the jet. Profound box and soak edges arise as the denser virus air sinks and redirects warm air locales north, giving the fly stream its wavy appearance.
The northern polar jet stream is the most important jet stream for aviation and weather forecasting on Earth because it is much stronger and lower in altitude than the subtropical jet streams.
Learn more about polar jet stream:
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its a force
Explanation:
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B. Heat equal masses of wax and chocolate and measure their temperatures when they start to melt.
C. Heat samples of wax and chocolate and use a stopwatch to time how long it takes until they start to melt.
D. Use Mohs Hardness Scale to test how easily wax and chocolate can be scratched.
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B. Heat equal masses of wax and chocolate and measure their temperatures when they start to melt.
To test his hypothesis, Nick should heat equal masses of wax and chocolate and measure their temperatures when they start to melt.
pepsin
B)
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C)
amylase
D)
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Answers
Answer: A) Pepsin
Explanation: Acidic solutions are solutions which provide H^+ ions .More is the H^+ ion concentration, more acidic is the solution.
pH of a solution is defined as negative logarithm of H^+ ions concentration.
or
Thus lesser is the pH,more is the H^+ concentration and more acidic is the solution.
Thus acidic solutions have low pH and pH ranges from 1 to 7 for acidic solutions.
As can be seen from the graph, enzyme pepsin has highest activity at low pH which means in acidic solutions. As the pH is increasing or the solution is turning basic, the activity of pepsin decreases.
Answers
The type of the interaction that defines the type of interdependent relationship among the given organism is as follows:
1. The red-billed oxpecker eating ticks off the fur of the impala shows mutualism. The oxpecker receives food by eating the ticks and the impala get rids of the ticks. Here, both the organisms are benefiting from their relationship, and hence, it is mutualism.
2. The titan triggerfish moves large rocks to find food, which in turn helps other smaller fishes to eat the exposed food. In this relationship, the smaller fishes are benefiting while the triggerfish is neither harmed or benefited. Hence, this shows commensalism.
Answer:
The correct answer is mutualism and commensalism.
Explanation:
An ecological relationship is the interaction of species or organisms living in an ecosystem depending on environmental conditions and food webs. This interaction could be inter-specific (between two species) or intra-specific (among same species).
According to the question, there are two cases of interaction which shows the following interaction:
1. The Oxpecker and Impala- an example of "mutualism" as both the bird and impala are benefited as bird receives food and ticks are removed from impala.
2. Titan Triggerfish and smaller fish- an example of "commensalism" as Tigerfish is not affected while small fishes get benefited by the movement of large fish.
Thus, mutualism and commensalism is the correct answer.