Answer:
A covalent bond is formed between non metal atoms, which combine together by sharing electrons. Covalent compounds have no free electrons and no ions so they don't conduct electricity
Explanation:
Answer:
$3,100.
Explanation:
Given that tuition for one year at Mount Tusk University is $ 13,400, and Elijah has saved $ 1,800 for this year's tuition, while his parents have agreed to pay $ 5,000 this year, and he earned a football scholarship for $ 3,500, given that Elijah hopes to earn the rest of the money through his work-study job tutoring in the math center, to determine how much money does Elijah need to earn tutoring, the following calculation must be performed:
13,400 - 1,800 - 5,000 - 3,500 = X
11,600 - 5,000 - 3,500 = X
6,600 - 3,500 = X
3,100 = X
Thus, Elijah needs to earn $ 3,100 in his work-study job.
The american would think of having children
The technique to improve internal validity is D) Addition of a control group.
<h3>What is
internal validity?</h3>
Internal validity serves as the study which bring about the establishment of a trustworthy cause-and-effect relationship that can be found in treatment and an outcome.
it should be noted that Internal validity also helps to eliminate alternative explanations , hence, The technique to improve internal validity is D) Addition of a control group.
Learn more about internal validity on:
brainly.com/question/968894
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COMPLETE QUESTOIN:
Which of the following is a technique to improve internal validity ____________?
A) Experimenter expectancy
B) Participant bias
C) Use of a confederate
D) Addition of a control group
