What is the contour interval of the topographic map below? 400 m 200 m 100 m 80 m

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

The covers all of earth like a thin shell,but it is not a solid sheet of material.it is broken up into several large sections and many smaller ones. fill in the blank.

What statement about the economy of france is not true? a. paris is a major manufacturing center b. marseille is a busy seaport on the mediterranean coast c. farming is the major activity in the alps. d. world-famous wines are produced in the bordeaux region c. farming is the major activity in the alps