Hey there,
D- an experiment that uses data to support or reject a hypothesis.
So basically its something that sums up everything that you did in the past.
~Jurgen
Answer
d.crust
Explanation
because he covered the layer of the earth
Hey! The answer is: Collect data using a prototype.
I have a screenshot attached as well.
I hope this helps you!
Good luck! :)
Thought and action are the two main functions