Requirements to receive USDA certification for organic agriculture include which of the following?
1. Only diseased animals are allowed antibiotics.
II. All animals must have enough space to behave naturally.
III. No animals can be exposed to artificial hormones or pesticides.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

What are the student's observations and inferences before he starts his investigation?

What happens when a scientific theory is shown to be an accurate description of a phenomenon?