Diffusion is the process by which particles tend to move form an area where they are more concentrated to an area where they are less concentrated. Facilitated diffusion is the process of diffusion in which molecules pass across the membrane through cell membrane channels. I hope this fulfills your inquire, and I wish to help your further on your troubles.
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2 exact copies of double stranded DNA are made
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Answer: Your heart has 4 chambers. The upper chambers are called the left and right atria and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles.
Explanation: my answer is an explanation in itself
The answers are:
Zinc ,Iron , Copper , silver , lead , mercury .
Answer:
re-upload the question with the diagram of the body cell as well