Answer:
A digestive system
Explanation:
The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation.
Ukraine
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2019 saw a significant decrease in civilian casualties. The leading causes were shelling by artillery and mortars, fire from light weapons, landmines, and explosive remnants of war.
Explanation:
Coal seams are formed from dead and decaying organic matter. Generally, this matter came from ancient peat bogs that died and fell into shallow, stagnant waters. As this material decayed, it became peat over time. As this peat was buried under sediment, the temperature increased and the pressure became greater.
Coal seams originate and are formed by the consolidation of biota, minerals, and natural chemicals through geologic time. Compression, heat, sedimentation, erosion, and chemical energy are agents of the coal formation process.
<span>an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.</span>
Answer:
The correct answer is <u><em>D</em></u>. Birthrates drop, and may even drop low enough to reverse population growth.
