My best answer would be C I hoped I helped sry if you get it wrong
Answer:
4cm because the wavelength is the measure of a distance between two identical peaks or Crest
blue......................
Your answer would be D, because these are all relating to how the actions of the scientists will affect the environment and/or organisms.
1.Movement.
All living things move in some way.
2.Respiration is a chemical reaction that happens within cells to release energy from food.
3.Sensitivity.
The ability to detect changes in the surrounding environment.
4. Growth.
5.Reproduction.
Excretion
6. Nutrition.