Vitamin C promotes bone and tooth formation by improving collagen development and calcium absorption
a. True
b. False
Indicate whether the statement is true or false
True
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What three basic elements are necessary for a communicable illness to survive and spread?
What will be an ideal response?
To be effective, illustrations in children's books must
A. be colorful. B. be placed one on each page. C. contribute to the story's meaning. D. be realistic and true-to-life.
In an introductory science class, 80 student volunteers were randomly assigned, in equal number, to take a class for a letter grade or for a simple pass/fail grade. At the end of the semester, the mean achievement score for the letter grade group was 86.2 and for the pass/fail group 79.8 . The calculated t = 4.60, p<.001 . The results should appear in a published report as follows:
a. Introductory science students have significantly higher achievement scores when awarded letter grades rather than a simple pass/fail grade. b. There is no significant difference in the achievement scores of introductory science students when awarded letter grades or a simple pass/fail grade. c. Students are more motivated to achieve when given letter grades rather than simple pass/fail grades. d. Instructors should use letter grades rather than pass/fail grades for introductory science courses. e. a and d
Vocabulary knowledge plays a powerful role in ________ in a content area
Fill in the blank with correct word.