The video is described as; âIn an increasingly complex, demanding and competitive 21st century, students need to learn more than the 3Râs they are tested on in school. Itâs time to help them go âabove & beyondâ, by embracing the 4Cs â communication, collaboration, critical thinking and creativity.
Understanding this concept, also known as object permanence, is an important milestone your baby reaches usually after the age of 4 months. It signals that your baby is making leaps in cognitive development â in his memory and his ability to think abstractly. AAP. 2013. Cognitive development: 4 to 7 months.
More than likely this may just be mildew from condensation and air infiltration. Mold and mildew develops on your window sills because the window frames are not thermally broken.This allows condensation to form on the inside of the frames during cold days and winter months. 1  The formation of condensation could be an indicator that your humidity level inside the home is too high.