What was the variable in Pasteur's experiment?
A. meat sealed in jars that didn’t have contact with air
B. a swan neck flask that prevented air from getting in
C. uncovered meat that had contact with air
D. a straight neck flask to allow air to get in

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Identify the structures ! 20 points

Injuries in the environment are a result of