Choose from:
(1). sugar.
(2). cell walls.
(3). Sun.
(4). Light.
(5). food.
(6). maples.
(7). nucleus.
(8). electrons.
Q: Fact 1: Glucose is used for energy by the cells of most organisms. Fact 2: For instance, glucose is a sugar. Given the two facts above, what is used for energy by the cells of most organisms?
A:
(1).