Answer:
Alveoli are tiny, balloon-shaped air sacs. Their job is to move oxygen and carbon dioxide (CO2) molecules into and out of your bloodstream.
Explanation:
Answer:
Metamorphic rock.
Explanation:
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This explanation and his theory were not widely accepted. Prior to Wegener, however, many had noted that the shapes of the continents seem to fit together, suggesting some schism in the past.
<span>Continental drift was really not allowable as even an accepted theory until the 1950s. Most geologists accepted the theory as quite possible before 1970. Several factors point to the acceptance of the continental drift theory. </span>
<span>Fossil records from separate continents, particularly on the outskirts of continents show the same species. As well mineral specimens along the supposed break lines of the continents are nearly identical. Some identical species exist on certain continents, like an earthworm common to both Africa and South America suggesting the species could not have spontaneously arisen on both continents without some variations hope this helps</span>
Answer: Tincture
Explanation:
A tincture can be defined as an extract of plant or animal material which is dissolved in ethanol commonly known as ethyl alcohol.
The solvent concentration is 25-60% are commonly used but it can be increased upto 90%.
Other solvents that is uswed to produce tincture are vinegar, propylene glycol, glycerol.
