Tiffany was investigating how fast it took Hayden to react to different sounds. Independent variable: Different sounds.
Dependent variable: How. fast Hayden reacted.

Identify at least 2 variables that Tiffany should keep constant in this experiment?

If the dimensions of a cube-shaped cell with a length, height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6

Does all the energy stored by the phytoplankton reach the top level of the pyramid

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next