You press the School Level button at the top of the screen.
Then it will bring you to a page where you can pick which level you want.
Answer:
I think the answer is I and III because there are gaps and 2 values that have a high amount
plus, this is the only logical answer
Unlike a CT scan, MRI does<span> not </span>use<span> X-rays. Instead, it </span>uses<span> a strong </span>magnetic<span> field and </span>radio waves to produce<span> very clear and detailed computerized </span>images of the inside<span> of the </span>body<span>. </span>MRI<span> is commonly </span>used<span> to examine the </span>brain<span>, spine, joints, abdomen, and pelvis.</span>
Without any information i would say the industrial revolution and the pollution that occured because of it