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Renewable energy sources lead to sustainable energy production whereas non-renewable energy does not. • The extraction and production of energy from renewable energy sources are expensive and difficult when compared to fossil fuel extraction.
Explanation:
Answer:
A. one but I don't know about it. with out the word single the answer is B..
It ifs less dense than water, it will float. If it is more dense then water, it will sink. If an object weighs more than the same amount of water, then it will sink. But if it weighs less, it will float.
Scientists collect information that allows them to make evolutionary connections between organisms. Similar to detective work, scientists must use evidence to uncover the facts. In the case of phylogeny, evolutionary investigations focus on two types of evidence: morphologic (form and function) and genetic.
Because the mice in the sand hills lives in environment which is hot one , while the mice that lives in other populations have dark brown fur lives in environment with cold one so that affect their body temperature and appears on their body .
