Answer:
So they can understand what is in the soil and how it changes
Answer:
A large piece of Land that before belonged to Mexican Republic and it was half the land that was owned by Mexican Republic.
Explanation:
In the treaty of Guadalupe Hidalgo which held in February 1848.Texas was recognized as a U.S state and a large piece of land was ceded to U.S for the cost of 15 million dollars that was about half the land area that belonged to Mexican Republic.
Answer:
The correct answer is: Conscientiousness.
Explanation:
Conscientiousness is one of the five dimensions of personality described in the Big Five model of personality.
People that are highly conscientious are very dependable, reliable, responsible and punctual. They take promises very seriously and are usually very strict and reliable in their behavior.
On the other hand, people that score low on conscientiousness are typically unreliable, are more prone to irresponsible behavior and tend to be lazy and avoid commitment.
In this particular example, Layne exhibits low levels of Conscientiousness.
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Answer:
A control should have been included in the investigation
Explanation:
It is impossible for the student to interpret a correct conclusion about his experiment, without adding a control treatment where he can really compare the differences between the variables.
Control treatment is an element of research that receives all factors, except the variable being tested. The control serves to make comparisons with the other treatments, allowing to observe the exact difference between a system where the variable was tested and the system where it was not.
In the case of the question above, it would have been necessary for the student to have placed a cart on a ramp of normal height and without sandpaper. That way he could compare the speed between this cart and the carts on the other ramps, thus having a correct result.
