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:
Oceanography is the science that studies the physical and biological parts of the oceans. Oceanography combines biology, chemistry, geology, etc.
Explanation:
Answer:
a. Tropical cyclone
b. Tropical cyclone
c. Tropical cyclone
d. Tropical cyclones
e. Mid latitude cyclone
f. Mid latitude cyclone
g. Tropical cyclone
Explanation:
Tropical cyclone is rapidly rotating storm which destroys everything that comes in its way. It intensifies with height and usually covers smaller area.
Mid latitude cyclone is most strong form of cyclone which forms due to temperature difference, Warn air at cold front rises and create a low pressure which gives rise to cyclone.
B, English, Dutch and "Surinamese" which is an umbrella term describing Javanese and other regional languages.
