External Respiration takes place in the Trachea. When oxygen and co2 "switch" its where they connect and making this external respiration!
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Answer:
TTAGCCATG
Explanation:
Adenine pairs with Thymine
Guanine pairs with Cytosine
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Plant and Animal cells do not have the same structures
Answer:
The answer is B
Explanation:
It is the only answer that actually makes sense
Explanation:
Earth's Orbit = 2*pi*R = 942,000,000 kilometers.
Distance/Time = 942,000,000 km / 8766 hr = 107,000 km/hr = 30 km/sec.