The first word specifies the genus of the species.
I think number one is Strongly Linked and the second one is Less Linked. Hope this helps. If it's wrong sorry
Radiation is used for X-rays, MRIS, any type of cancer killing.
Too much of radiation can be a dangerous thing... you could end up dying from a lot of exposure.
Yes, because if you're close to the sea then you will be in a warmer climate. and Ocean currents affect climate in a way similar to winds. Ocean currents move water around the ocean. Warm water currents are currents that move water away from the equator, and cold water currents are currents that move water away from the poles.
Places that are near warm water currents will have a warmer climate.Places that are near cold water currents will have a colder climate.
Our sleep cycle is a circadian rythm but without the options I can't give a definite answer