Which one are you talking about
The border separates Sonora and Chihuahua is Natural boundary
Answer:
Basaltic magma -- SiO2 45-55 wt%, high in Fe, Mg, Ca, low in K, Na
Andesitic magma -- SiO2 55-65 wt%, intermediate. in Fe, Mg, Ca, Na, K
Rhyolitic magma -- SiO2 65-75%, low in Fe, Mg, Ca, high in K, Na
Explanation:
Answer: The probe won’t display a reading because the skull is too old. There isn’t enough carbon-14 remaining to accurately assess its age.
Explanation: change it up a bit though.
