I think A, amphibians, like dragons, dinosaurs and dodos
A.Compound light microscope. Indeed a dissecting microscope has a too weak magnification, and electron microscopes request a sample preparation, a dehydration, an observation in a vacuum, so that the cell is not preserved. I hope this helps.
Answer:
1 calorie heat = 4. 2 Joule
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Answer:
blood flow
Explanation:
An aqueous stagnant layer that overlies the apical membrane and the subepithelial blood flow are potential barriers to the absorption of drugs that readily penetrate the absorbing cell of the epithelium. The apical, basal, and basement membranes are potential barriers to the absorption of less permeable drugs.