Eeg is used to measure a blood pressure b heart rate c brain waves d muscle tone

An electroencephalogram (EEG) is a noninvasive test that records electrical patterns in your brain. The test is used to help diagnose conditions such as seizures, epilepsy, head injuries, dizziness, headaches, brain tumors and sleeping problems. It can also be used to confirm brain death.

Explanation:

answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."

answer:

forgive and forget

explanation:

let the things you had just sink in and build off of it and make a newer and better relationship like that one special person but dont do it the wrong way. just build lol. it's simple but hard. i promise it's worth it in the end