What Best Explains Why Sugar Maple Trees Are Tapped on the Sun-Warmed

question 52

Multiple Choice

What best explains why sugar maple trees are tapped on the sun-warmed south side of the trunk?

• A) Sap on the north side of the tree is still frozen in early spring.
• B) During the summer most photosynthesis occurs on the south side of the tree.
• C) The reaction rate for the enzymes that convert starch to sucrose is temperature dependent.
• D) The sap expands as it is warmed and flows upward through the trunk.

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