Does ash from a volcano stay in the atmosphere

Creating new things to solve problems and improve life depends on the close interaction of which two fields?

Drag the tiles to the correct boxes to complete the pairs. match wach fossil with the layer where it’ll be present based on these condition

I've created a synthetic cellular membrane that is made up of phospholipids, but contains no proteins. which of the types of movements across a membrane would not function with my synthetic membrane?