Some samples are transparent, or very difficult to see, therefore, they are stained in order to be seen more clearly and easier to work with.
During eye surgery, the clear layer of the eye is stained to be easily extracted, if it was clear then the surgeon might cut the eye instead of just the layer.
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Answer:
decrease
Explanation:
if the producer is destroyed then all the others are dead
Answer:
Enzymes are biological catalysts which speed up biochemical reactions.
