The two most abundant gases in Earth's atmosphere are
A. oxygen and nitrogen.
B. oxygen and carbon dioxide.
C. oxygen and water vapor.
D. oxygen and hydrogen.
Answer: A. oxygen and nitrogen.
You might also like to view...
A traditional secondary curriculum has the potential to fail in effectively transitioning students with special needs because it focuses on which of the following?
a. College prep b. Remedial academics c. Passing the GED d. Standards-based education
There are only a small number of rigorous published studies contrasting online and face-to-face learning conditions for K-12 students
Indicate whether this statement is true or false.
Which of the following is the term associated with identifying differences between groups that are not due to chance?
a. probability b. meaningfulness c. significance d. statistics
Which of the following best characterizes a sampling distribution?
a. The average value is equal to the true population parameter b. The standard error is always less than 1 c. It is based on 50 samples d. The sampling error is the same as the standard error