The answer would be myocardium
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Answer:
Scientists think the _____ is a solid iron with a layer of liquid iron surrounding it. 1. ... iron surrounding it. 1. Outer core 2. Inner core 3. Mantle 4. Crust,. 1 ... The inner core is made of solid iron, and it is surrounded by the liquid iron of the outer core. ... A) mantle B) outer core C) inner core D) lithosphere.
Explanation:
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
Answer: it produced oxygen as a waste product
Explanation: there was more free oxygen
The theme is the writer's view of or comment about the subject. The answer to your question is D. I hope this is the answer that you are looking for and it comes to your help.