When emissions from multiple sources do not mix uniformly, it implies that the marginal benefits of abatement may vary and therefore a uniform tax will not necessarily be cost effective. True False

Both listen to each other and share their thoughts or questions about the student. A few examples of two-way communication in classroom settings include parent-teacher conferences, phone calls, and committee meetings. While one-way communication has a time and place, too much can make parents feel left out of classroom decision making. The progress can be shared with the parents and any difficulty can be share to teachers by parents or to parents by teacher using podcast.

A student portfolio can be created which helps the parents to understand what their children do in school and how the progress is going by day to day.

while teacher can guess what the student is like at home by just checking the podcast about student which further helps the teacher to understand the student in his teachings.