It should be opaque
Hey! The best way to store them is to store them on a pantry shelf in an opaque airtight container away from light, heat and moisture
Aluminum foil is opaque.
Opaque
Since water is transparent it does not absorb sunlight well, however, you could heat the container that the water is in (especially if it is an opaque container, not a glass container) and then the heated container would heat the water. A solar oven can easily produce enough heat to boil water. If you are not careful it might produce too much heat, and melt the pot.
It is opaque
it is opaque
more opaque [comparative] most opaque [superlative]
It is Opaque
Yttrium is opaque.
"opaque"
Yes, books are usually opaque. Opaque means to block the passage of radiant energy and especially light.