D. Silicon is the correct answer.
A. Plants and animals do not interact with each other.
Plants and animals HAVE to interact with each other in an ecosystem. Some animals may need to eat certain plants to stay alive. Plants also help provide c02 for the atmosphere.
Leaders are greedy for more power and land, a large population requires more food, neighbors are becoming to strong
Answer:A brief overview of each stage of river development begins after the images. A list of ... Characteristics found in the 3 Stages of River Development: 1 ... Erosion is present though deposition of sediments also occurs. 9. ... Old Age Rivers actually have more distinguishing features to speak of than the Youthful.
Explanation:
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