I think it's the last two
Temperature and the amount of water
Answer:
A.
Explanation:
This is true because scientific investigation is that of experimenting and collecting data to create an analysis and conclusion. The only way to answer a question with scientific investigation is by gathering data during and experiment. A scientist's opinion is not data, but a thought that is not solid and can change. It is not always backed up by facts. Measurements must be taken when you answer a scientific question with data. This is why A is the correct answer. hope this helped
You cant get rid of energy and matter in the ecosystem. Matter is recycled in the ecosystem if we get rid of that the ecosystem will die so we can't get rid of energy and matter because it helps our ecosystem.
Answer:
Explanation:
The Spinal Cord starts at the brain stem and goes to the tail bone.
