Which of the following is an example of a step in an EXPERIMENTAL scientific investigation? A. Recording the sound of a test tube breaking
B. Placing test tubes in a water bath
C. Nothing a color change in a test tube

The solution inside a plant cell is approximately a 1% saline solution and a 21% nacl solution the ,cytoplasm of a plant cell will

The diagram shows a nerve cell. which row in the table labels the diagram correctly? a b c d

Species can vary in several ways. which of the following is one of darwin's ideas that was accepted by most scientists of his time due to the large number of fossils being discovered at that time? a. species vary around the world. b. species have specific adaptations to their local environment. c. species that live in seawater can also live on mountains. d. species change over long periods of time.