Tree rings vary in width from year to year, depending on the growing conditions. Which size rings would indicate good growing conditions, wide rings or narrow rings? Explain your reasoning.

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explanation:

where are the answers

explanation:

be cause we need them

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on

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