Search on google and hope they have the answer :)
Answer:
gdk
and got tooka killed Explanation:
I think the best answer would be
<span>Test the variation in the amount of amylase produced by each individual before and after being presented with a bowl of pasta.</span>
I think they use the scientific method
The scratch test.
The scratch test is used by scientists and people who study rocks and minerals to determine the strength of the rock. They have the scratchers numbered one through ten and scratch the rock or mineral until the scratcher makes a mark in the mineral then they know the strength of the rock.
