A ratio used on a scale map is called A fractional scale
Answer:
commercialism
Explanation:
an association between two organisms in which one benefits and the other derives neither benefit nor harm.
Used by American pioneers living in the Great Plains in the 19th century. The emigrants traveled by wagon in search of fertile land in Oregon's Willamette Valley.
<h3><u>Answer;</u></h3>
B
<h3><u>Explanation;</u></h3>
- Smooth muscle is found in the walls of hollow organs throughout the body.
- Smooth muscle contractions are involuntary movements triggered by impulses that travel through the autonomic nervous system to the smooth muscle tissue.
- <u>The smooth muscle of the alimentary canal or the digestive tract facilitates the peristaltic waves that move swallowed food and nutrients.</u>
