What should he spray on the trees to stop the fruit from falling off too early?
2 answers:
Is it supposed to be a question to a book you're reading? Do you have choices, or even the book link?
Firtilizer is a good choice if it is one of your options
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A large class of molecules is called a macromolecule.
Probably through a electron microscope either TEM or SEM. or possibly a picture through the microscope. I hope that helped.
Explanation: the movement of organelles and other substances within cells. Endoplasmic reticulum
By eating plants and other animals, because they obtain their carbon from food.
