The most common form of air pollution in the San Antonio region is. ground-level ozone, a major component of smog. Ground-level. ozone forms readily in the atmosphere during warm, sunny days. Sunlight causes chemicals from the fuels we burn (e.g., gasoline. and diesel) and vapors from such products as gasoline and paint.
Cover Photo Dimensions. The Facebook cover photo area is 851 pixels wide by 315 pixels tall. Photos uploaded for use as a cover photo must be at least 399 pixels wide. Like profile photos, these photos are resized to comply with the cover photo template if they are smaller than the 851 pixel width.
David has 60+ answers in. Gmail. The maximum file size upload for Facebook is 25MB.[1] This is the same size limit as Google has for Gmail.[2] The difference is Google Drive (product) enables file uploads up to 10GB, and so attachments larger than 25MB are possible by linking the recipient to the file.