Describe the events that occur at a synapse

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment