Answer:
physiography originally means the study of nature . but here it means physical geography
Explanation:
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Answer:
pacemaker cells.
Explanation:
Cardiac muscle tissue works to keep your heart pumping through involuntary movements. This is one feature that differentiates it from skeletal muscle tissue, which you can control. It does this through specialized cells called pacemaker cells.
Answer: c
Explanation:
i just got done with that test
Observable characteristics would be referred to as "traits".
