Answer:
From dead plants, animal waste, and the atomsphere.
Explanation:
Y=5(1.2666)^x
Explanation:
5(b)(b)(b)(b)(b)(b)(b)(b)=33
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:
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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
95 percent times 13. 1000000. 13.1000000 take away the answer. That will be answer for the specific month. 95 percent times 4.100000. 4.1000000 take away the answer gives you the answer for the standard deviation. You plus them altogether to find the confidence interval of the true mean.