Answer:
Columnar epithelial cells are elongated and column-shaped and have a height of at least four times their width. Their nuclei are elongated and are usually located near the base of the cells. Columnar epithelium forms the lining of the stomach and intestines
Explanation:
Epithelium - Wikipedia
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Answer: The FDA and USDA cerate food safety programs, safeguards to protect Americans, to protect people from unsafe food. The FDA has monitoring programs for pathogens, naturaltoxins, pesticides, etc.; their methods are science-based.
Answer:
cutting down all trees for lumber
Gravity (defined as: the force that attracts a body toward the center of the earth or toward any other physical body having mass)
A healthy ecosystem can be described as Resilient (b)
A commonly cited broad definition states that a healthy ecosystem has three attributes:
1)productivity
2)resilience, and.
3)organization
