What was the scientific question Wegener asked?

Which of these resources is used worldwide to make construction products, pottery, and porcelain

What is responsible for the uneven heating between the poles and the equator on any given day

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?