Independent variable represent the variable
Birds because they spread seeds
Grounding and insulation will be the two most recognized means of preventing injury during an electrical equipment operation. The workers should always place a non-conductive material like plastic around the conductor of electricity. When grounding, there needs to be a direct connection to either a cold water pipe or even metal. Without doing either grounding or insulation, there is a chance of burns, shocks, fire, and in extreme cases death.
Answer:
15. Cell 4 and Cell 7 will not be able to synthesize a major biological molecule. What molecule is this? Protein.
