Answer:
3)cones but not rods
Explanation:
Cones help in color vision
Rods help in light vision
Answer:
The author was worried he/she might not enjoy camp.
He had hoped his chair(s) would go on to be mass-produced, not hand-crafted. As a matter of fact, he had hopes that much of his furniture would be mass-produced--he aimed for simplicity in construction. The pieces of wood that comprised the Red Blue Chair were the standard lumber sizes readily available at the time.
I assume it is the D, the river. The other answers don't make any sense and the river would 'reflect' the hues of the sky.
