Um.. what item? and you just posted the answer?
Answer:
Asking Questions and Defining Problems.
Developing and Using Models.
Planning and Carrying Out Investigations.
Analyzing and Interpreting Data.
Using Mathematics and Computational Thinking.
Constructing Explanations and Designing Solutions.
Engaging in Argument from Evidence.
That would be 29 because if u look at all the other years at the end of all the years the number is only a few numbers up from the first number.
It is a infection caused by the presence of virus in the body.