In order to explain the ecological approach in the learning process, we. present its underlying principles and analyse them in relation to existing learning design frameworks. To formalize. our approach, we define the basic concepts and propose a general framework for constructing learning paths.
Most women need 20-25 units for the treatment of frown lines. However, men may need 35 units because the bulk of muscle to be weakened is larger. BotoxÂ® prices nationwide average between $10 and $15 per unit.
1 Glabella area: This is the area between your inner brows and depending on the extent of the wrinkles between 20 and 30 units will be required. 2  Crowâs feet: These relates to the lines that develop on the outer part of your eyes and they normally require about 10 â 15 units of Botox.