Which geographic concept explains why port cities like Shanghai or Istanbul have become important centers for trade?

Asmall french-themed cafe has just introduced a quiche, a baked dish made with a pastry crust and a filling of beaten eggs and cream. quiche is frequently flavored by adding vegetables, meat and seafood. what does the chef ask the prep cooks to do so the vegetables in the dish bake evenly? a. choose special out-of-season vegetables b. wash the vegetable dishes extra clean c. label all the vegetable ingredients d. cut the vegetable pieces into the same size e. cut the vegetable pieces into a wide variety of interesting shapes

1) earth's crust is made up of relatively rigid plates that ride atop earth's hot, semiliquid mantle. (2) the plates are called tectonic because they're in constant motion. (3) they can move because earth's mantle is a very hot and semiliquid fluid called magma. (4) volcanoes are a result of magma rising up or erupting through a plate, particularly where plate boundaries are moving against each other. (5) also, when plates slide against each other, causing friction along adjacent plate boundaries, earthquakes frequently occur. (6) therefore, we often find volcanoes and earthquakes along plate boundaries. (7) plates may also collide. (8) when that happens, mountain ranges are formed. (9) for example, the collision of the plate carrying the indian subcontinent created the himalayan mountains when it collided with the asian plate. 2. which sentence in this passage introduces a new topic that might begin a new paragraph? a. sentence 5 b. sentence 4 c. sentence 7 d. sentence 6

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.