What do Ice core samples with lower ratios of O-18 to O-16 isotopes tell scientists about past climates? less oxygen content

lower water temperatures

higher water temperatures

more carbon dioxide

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volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.

the answer is c because it is most logical.

garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.