The phrase which best describes a period on the periodic table is: a row of elements
Periodic table can be defined as an organized tabular arrangement of all the chemical elements arranged in order of increasing atomic number or number of protons, especially in rows.
On a related note, chemical elements with the same number of valence electrons are found in the same column of the periodic table.
In conclusion, the rows of a periodic table are referred to as periods while the columns are referred to as groups.
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Answer:
Sí, hay alguien pescando.
No, no veo ninguna parrillada.
No, no hay nadie que bucea.
No, no se ve ninguna ola en el lago.
No, hay alguien que toma el sol.
Sí, veo alguna canoa en el lago.
Explanation:
Use the verbs that the voices use.
b. i hope thats the right answer and works
Answer:
Hi! what is your question?
The option that best describes how the teacher likely came to this conclusion is that:
- The teacher conducted an observational study by comparing the performance on the test of those who completed their review worksheets to those who did not complete their review worksheets.
<h3>What is observational study?</h3>
An observational study is known to be a kind of study where a researcher do observes the subjects without having any form of interference with them.
Here, the researcher is said to have no control over any of the treatments that is used on the subjects. All the have to do is observe and record their findings.
See options below
A. The teacher conducted an observational study by comparing the performance on the test of those who completed their review worksheets to those who did not complete their review worksheets.
B. The teacher conducted a sample survey by asking students if they completed their review worksheets and if they think they did well on the test.
C. The teacher performed a controlled experiment in which one group of students decided not to complete their review worksheets and the other group decided to complete their review worksheets.
D. The teacher performed a random experiment in which the test scores of one group of students would be higher and the test scores of the other group would be lower.
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