Answer:
Explosive and effusive eruption types resulting from the activity of magma composition, temperature, water content and volatile content.
Explanation:
Magma Silica content composition being above 60% will result in violent eruption. High temperature will result in low viscosity and low temperature in high viscosity. Explosive eruptions are propelled by magma and motivated by gaseous activity. Effusive is characterized with lava outflow without explosive activity. Examples of this effusive eruptions are those of the Hawaiian eruptions. Plinian eruptions are known to be explosive, violent and dangerous.
Answer:
Why the majority of species live on earth and not in the sea is one of the top questions of science. The following are some of the reasons some scientists quote:
- plants play a major role; plants need light for photosyntesis, there is little sun in the ocean except for shallow coastal areas; so, land is more productive than the cold, dark depths of the ocean;
- the co-evolution of plants and insects has also played a role in the birth of so many new species; the vast majority of plants on Earth are flowering plants and 80 percent of all species are insects.
Explanation:
See the picture attached above
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