Pick from: (1). sunlight. (2). rainfall. (3). salinity. (4). Sun light. (5). rain. (6). energy usage. (7). ice. (8). distance.
Q: Fact 1: When the seasons change from the summer to the fall , the amount of daylight will decrease. Fact 2: Daylight is shorter, and the light from the Sun is cooler. Given the two facts above, when the seasons change from the summer to the fall, what decreases?
A:
(4).