Answer: A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.
Explanation:
Amylase is the starch digesting enzyme. This enzyme is found in both saliva (to break down starch in our mouth) and also in out small intestine after it's released from the pancreas.
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HI Mate! The right answer is vascular tissue!
Maybe

This is just ruler command 500pt and 1000pt for long rule
The right answer for the question that is being asked and shown above is that: "TRUE." <span>Energy sources can impact the environment by causing acid rain, breathing problems, and killing organisms. This statement is very true.</span>