Answer:
E. It takes a picture of the brain according to oxygen levels. More oxygen in an area indicates more activity in that area.
Explanation:
Haemoglobin is diamagnetic when oxygenated but paramagnetic when deoxygenated. This distinction in magnetic characteristics leads to tiny variations in the blood MR signal. Since blood oxygenation differs, these variations can be used to identify brain activity depending on the concentrations of neural activity.
Answer:
A compass
Explanation:
A compass tells you which direction you are going whether that be North, East, South, or West. A map I'd a picture or drawing of a certain area.
Mechanical energy is converted to chemical energy during photosynthesis is the correct answer
Answer: the answer is False
