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

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Round peas are dominant to wrinkled. what would you cross a round pea with to determine if it were heterozygous or homozygous dominant? why? ?