The cycle returns carbon to the atmosphere through volcanoes. Earth’s land and ocean surfaces sit on several moving crustal plates. When the plates collide, one sinks under the other, and the rocks it carries melts under the extreme heat and pressure. The heated rock recombines into silicate materials, releasing carbon dioxide. When volcanoes erupt, they vent the gas to the atmosphere and cover the land with fresh silicate rock to start the cycle
He suggested that at the centre of oceans, molten material would rise from the Earth’s mantle, causing new sea floor to be created, pushing the ocean floor. He also suggested that there were ocean trenches where old sea floor would then go back into the mantle, and molten. He found that these ocean trenches, the deepest parts of the ocean, were very near continental plates. Hess theorized that the action of the sea floor spreading caused continents to move apart and so this being evidence for continental drift, showing why it happened. The evidence of sea floor spreading was further supported by Vine and Drummond, who studied the magnetic pattern of the sea floor.
They are derived from the chemical and mechanical weathering of rocks. Biogenous sediments are composed primarily of the protective outter covering of small marine animals and plants. If these remains comprise at least thirty percent of the sediment it is called an "ooze". "Oozes" were named for the types of organisms that formed them. Hydrogenous sediments form as a result of the chemical reactions that occur in the
The steam brings hydrogen sulphide gas to the surface and pollutes the air unless controls are instituted. 2. Water contains many salts and minerals capable of causing water pollution. 3. The earth in a geothermal field may subside as the water is pumped out.
b) Circle or highlight the six most common elements found in living things. Do the same thing for the five other elements that are also found in the body in smaller quantities. (1 point) HINT: Think about the symbols for carbon, hydrogen, oxygen, nitrogen, phosphorus, chlorine, magnesium, sulfur, sodium, and potassium c) Explain how humans obtain the energy and matter they need in order to survive. (1 point) HINT: Think about the chemical bonds and what happens to atoms in your body. The food we eat gives us carbohydrates, lipids and other nutrients to carry out the process of life.
How can you account for this observation? -There are catalase enzymes in your body and they break down the hydrogen peroxide into water and oxygen. The foam is the oxygen bubbles that form in the water. 7. Why is it important for organisms to regulate internal temperatures or metabolic processes at different temperatures?
Cold Seeps A cold seep (sometimes called a cold vent) is an area of the ocean floor where hydrogen sulfide, methane and other hydrocarbon-rich fluid seepage occurs. Cold seeps are distinct from hydrothermal vents: the former's emissions are of the same temperature as the surrounding seawater, whereas the latter's emissions are super-heated. Cold seeps constitute a biome supporting several endemic species. Cold seeps occur over fissures on the seafloor caused by tectonic activity. Oil and methane "seep" out of those fissures, are diffused by sediment, and emerge over an area several hundred meters wide.
First of all, a pharmaceutical product can be made from seaweed by heating seaweed in water. This causes the product to be extracted from the seaweed. After that, filtration is needed to extract the seaweed from the water. Finally, by evaporating the product can be extracted from the water. 2.
Examples of regional metamorphic rocks include schist and gneiss. Thermal metamorphic rocks, also known as contact metamorphic rocks, are formed by extreme heat along with quite a bit of pressure. The pressure pushes the molten rock against the Earth's surface, causing it to recrystallize. Examples of thermal metamorphic rocks are marble and sandstone
Lava deltas are created when pahoehoe goes into the ocean and stays there for a long time. Lava deltas are fan shaped pieces of land that form in the ocean. When the lava flows into the ocean, it cools really quickly and breaks into pieces, which can be sand sized or block sized. The different pieces collect on a slope underwater and build the base of a structure that in time can hold up the lava flows that form the delta above the water. When the pieces of lava collect on a steep slope, then the side of the delta crumbles often and creates a bunch of submarine landslides.