Answer:
I know that keratin is found in the protein of hair, nails, horn, hoofs, wool, feathers, etc.
Explanation:
Answer:
Seattle
Explanation:
-1.5f is colder than -1.2f.
The variable that researchers manipulate is the independent variable.
The reason for this is because in experiments different manipulations are often introduced. The sole purpose of these manipulations is to see whether they will affect our independent variable and if they will change its value.
For the first question, the third choice seems best.
For the second question, it's light moths.