Answer is a. neolithic where they use wild and domesticated crops and domesticated animals
Answer:
C. Independent variable
Explanation:
The independent variable in an experiment is the variable that the experimenter manipulates or changes in order to effect a measurable response in the dependent variable.
According to this question, an experiment is conducted to determine what concentration of disinfectant is most effective in killing bacteria. The independent variable is the CONCENTRATION OF DISINFECTANT because it is the variable being changed or manipulated.
Answer: Distance
Explanation: The amount of space between two points, measured along the actual path, which connects the two points, is called distance. The amount of space between two points, measured along the minimum path which connects them, is called displacement.
The most important thing is to try and extinguish a fire if a fire extinguisher is near. If not, they second most important thing is to rush out of the lab using the fire escape route and call the local fire department which will then handle the situation.
A. animal can fly; AA. animal can't fly. That should be the correct answer. I hope that this helps you!
