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Intent of this Success Criterion
The intent of this Success Criterion is to allow users to access the full content of a site without inducing seizures due to photosensitivity.
Individuals who have photosensitive seizure disorders can have a seizure triggered by content that flashes at certain frequencies for more than a few flashes. People are even more sensitive to red flashing than to other colors, so a special test is provided for saturated red flashing. These guidelines are based on guidelines for the broadcasting industry as adapted for computer screens, where content is viewed from a closer distance (using a larger angle of vision).
Flashing can be caused by the display, the computer rendering the image or by the content being rendered. The author has no control of the first two. They can be addressed by the design and speed of the display and computer. The intent of this criterion is to ensure that flicker that violates the flash thresholds is not caused by the content itself. For example, the content could contain a video clip or animated image of a series of strobe flashes, or close-ups of rapid-fire explosions.
This Success Criterion replaces a much more restrictive criterion in WCAG 1.0 that did not allow any flashing (even of a single pixel) within a broad frequency range (3 to 50 Hz). This Success Criterion is based on existing specifications in use in the UK and by others for television broadcast and has been adapted for computer display viewing. The 1024 x 768 screen is used as the reference screen resolution for the evaluation. The 341 x 256 pixel block represents a 10 degree viewport at a typical viewing distance. (The 10 degree field is taken from the original specifications and represents the central vision portion of the eye, where people are most susceptible to photo stimuli.)
The combined area of flashes occurring concurrently and contiguously means the total area that is actually flashing at the same time. It is calculated by adding up the contiguous area that is flashing simultaneously within any 10 degree angle of view.
 
Ref: https://www.w3.org/TR/UNDERSTANDING-WCAG20/seizure-does-not-violate.html
 

Through a case study on Mozambique's Gorongosa National Park, learners will explore how scientists study ecosystem
 
The idea that food webs and ecosystem functioning are intimately linked harkens back at least to the work of Forbes (1887). He pondered, in his lake as a microcosm paper, the complexity of lake ecosystems and how this complexity could be maintained given the complex network of trophic interactions. He also emphasized that spatial structure, both within and among lakes, could be important. Lindeman (1942) built on Forbes’s vision of a food web as a microcosm by linking a simplified view of food webs to ecosystem metabolism. Since then, much thinking has gone into understanding food webs and their links to ecosystem attributes (Odum 1957; Margalef 1963), but until recently the importance of space has not sufficiently been integrated into these thoughts. By contrast, the importance of space to populations and communities has been recognized for some time (Watt 1947; Skellam 1951; MacArthur & Wilson 1967), but the connection between this literature and food webs and ecosystems is only now being resolved (Loreau et al. 2003; Polis et al. 2004; Holt & Hoopes 2005; Pillai et al. 2009; Gravel et al. 2010a). Some progress has been made (e.g. Polis et al. 2004; Holyoak et al. 2005), but most of the work on the spatial food web and ecosystem properties has progressed along with two relatively independent traditions.
REF :links https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1461-0248.2011.01588.x
YouTube: https://youtu.be/C6YrPt1ygX8
 

Through a case study on Mozambique's Gorongosa National Park, learners will explore how scientists study ecosystem
 
The idea that food webs and ecosystem functioning are intimately linked harkens back at least to the work of Forbes (1887). He pondered, in his lake as a microcosm paper, the complexity of lake ecosystems and how this complexity could be maintained given the complex network of trophic interactions. He also emphasized that spatial structure, both within and among lakes, could be important. Lindeman (1942) built on Forbes’s vision of a food web as a microcosm by linking a simplified view of food webs to ecosystem metabolism. Since then, much thinking has gone into understanding food webs and their links to ecosystem attributes (Odum 1957; Margalef 1963), but until recently the importance of space has not sufficiently been integrated into these thoughts. By contrast, the importance of space to populations and communities has been recognized for some time (Watt 1947; Skellam 1951; MacArthur & Wilson 1967), but the connection between this literature and food webs and ecosystems is only now being resolved (Loreau et al. 2003; Polis et al. 2004; Holt & Hoopes 2005; Pillai et al. 2009; Gravel et al. 2010a). Some progress has been made (e.g. Polis et al. 2004; Holyoak et al. 2005), but most of the work on the spatial food web and ecosystem properties has progressed along with two relatively independent traditions.
REF :links https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1461-0248.2011.01588.x
YouTube: https://youtu.be/C6YrPt1ygX8

Reflection
Prompt

Were you successful in providing opportunities for students? Why or why not? What improvements or revisions could be included?
How did you provide instruction and formative feedback on these habits, skills, and dispositions to students along the way?
If you were to embed habits, skills, and/or dispositions in another performance, what would you do differently from this time?

Introduction:
The educator
prepares students for discussion, establishes an environment that welcomes thought, scaffolds discussion where needed, monitors participation, and consolidates thinking.
 
Collaborative discussion is one of the most effective tools to deepen students’ understanding and engagement with texts. Discussion offers students the opportunity to build arguments and defend them with evidence, consider opposing points of view, elaborate ideas, and build complex webs of knowledge by revealing and furthering thinking. Unfortunately, the amount of time devoted to classroom discussion is measurable in seconds per day (Nystrand 2006), and when discussion does occur, the quality and depth of students’ discourse is often limited (Zwiers & Crawford, 2011).
Though discussion is often considered a student-centric activity, reaping the benefits of discussion requires educators to play an active role in preparing students, creating an environment that welcomes thought, scaffolding discussion when needed, monitoring participation, and consolidating thinking.

Augmented reality (AR) is an interactive experience of a real-world environment where the objects that reside in the real world are enhanced by computer-generated perceptual information, sometimes across multiple sensory modalities, including visual, auditory, haptic, somatosensory and olfactory.

If you're trying to learn Greek Articles you will find some useful resources including a course about Definite and Indefinite Articles... to help you with your Greek grammar. Try to concentrate on the lesson and notice the pattern that occurs each time the word changes its place. Also don't forget to check the rest of our other lessons listed on Learn Greek. Enjoy the rest of the lesson!

graphical user interface:
The graphical user interface (GUI  is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicators such as primary notation, instead of text-based user interfaces, typed command labels, or text navigation. GUIs were introduced in reaction to the perceived steep learning curve of command-line interfaces (CLIs), which require commands to be typed on a computer keyboard.
The actions in a GUI are usually performed through direct manipulation of the graphical elements. Beyond computers, GUIs are used in many handheld mobile devices such as MP3 players, portable media players, gaming devices, smartphones, and smaller household, office, and industrial controls. The term GUI tends not to be applied to other lower-display resolution types of interfaces, such as video games ), or not including flat screens, like volumetric displays.
User interface and interaction design:
Designing the visual composition and temporal behavior of a GUI is an important part of software application programming in the area of human-computer interaction. Its goal is to enhance the efficiency and ease of use for the underlying logical design of a stored program, a design discipline named usability. Methods of user-centered design are used to ensure that the visual language introduced in the design is well-tailored to the tasks.
The visible graphical interface features of an application are sometimes referred to as chrome or GUI (pronounced gooey) Typically, users interact with information by manipulating visual widgets that allow for interactions appropriate to the kind of data they hold. The widgets of a well-designed interface are selected to support the actions necessary to achieve the goals of users.