Polar zone
It should be left on all day, and off all night.
they stay out all day it just you cant see them in the day because of the sun light in the sky.
the first day of summer
The Intertidal Zone- Abundant light penetrates.The Pelagic Zone- Less than abundant light penetrates.The Benthic Zone- Twilight or very low light penetrates.The Abyssal Zone- No light penetrates.
All day long
Very dark. No light from the surface can penetrate below about 600 feet deep. The only sources of light are bio-luminescent fish, who generate faint light (like lightning bugs) that is used to attract prey.
all day long = den ganzen Tag
All Day Long was created on 1957-01-04.
The arctic and antarctic circle zones experience 24 hour sunlight for parts of the year. They also experience 24 hour darkness at other times of the year.
In this sentence, "light" is being used as an adjective to describe the type of drizzle that fell all day.
The equator.