1. what is bovine spongiform encephalopathy? why is there concern about this disease?

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

What are some characteristics of a free enterprise economy?

What is the problem in this article? what solution does the article propose?