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Sunlight, in the broad sense, is the total frequency spectrum of electromagnetic radiation given off by the Sun. On Earth, sunlight is filtered through the Earth's atmosphere, and solar radiation is obvious as daylight when the Sun is above the horizon.
When the direct solar radiation is not blocked by clouds, it is experienced as sunshine, a combination of bright light and radiant heat. The World Meteorological Organization uses the term "sunshine duration" to mean the cumulative time during which an area receives direct irradiance from the Sun of at least 120 watts per square meter.[1]
Sunlight may be recorded using a sunshine recorder, pyranometer or pyrheliometer. Sunlight takes about 8.3 minutes to reach the Earth.
Direct sunlight has a luminous efficacy of about 93 lumens per watt of radiant flux, which includes infrared, visible, and ultraviolet light. Bright sunlight provides illuminance of approximately 100,000 lux or lumens per square meter at the Earth's surface.
Sunlight is a key factor in photosynthesis, a process crucially important for life on Earth.
What else can I help you with?
What organs for movement of Birds?
i think wings
What is the organ of movement of birds?
what is the source of body warmth of bird
What are the birds adaptations?
birds adapt to their of feeding . they have different type of feet and beaks which are adapted to their movement and the type of food they feed on
What art movement is jean-francois millets birds nesters?
Impressionism
How do plants recognize the appearance of birds?
Plants recognize the appearance of birds through visual cues such as color, shape, and movement. This recognition helps plants attract birds for pollination or seed dispersal.
What three birds movements are used in taiaha explain each movement?
fantail, seagull, eagle
What two systems are most directly responsible for the movement of a birds wings?
The musculoskeletal system, comprising muscles and bones, provides the power and structure for wing movement in birds. And the nervous system coordinates muscle contractions and movement patterns to control the flapping of wings in flight.
What is the Movement of birds is called?
Parrots can fly, climb, and walk to get where they need to go.
What are birds movements?
It runs and then jumps and starts flapping its wings and then its off
Why do birds twitch their heads?
Birds twitch their heads to help them focus on objects and maintain their balance. This quick movement allows them to accurately judge distances and track potential prey or threats.
Why are the caged birds feet tied and wing clipped?
Caged birds often have their feet tied and wings clipped to prevent them from escaping and to limit their movement. This practice can be harmful and is generally considered inhumane, as it restricts the bird's natural behaviors and can lead to physical and psychological stress. Ethical treatment of birds emphasizes providing an environment that allows for natural movement and flight, without unnecessary restraint.
The movement of people from one culture or region to another is called?
migration (like when birds migrate)
