The answer would be: <u>Molten material that cooled quickly.</u>
Igneous rocks are formed by the cooling of molten material. So we can cross out the last two choices. The rock has no identifiable crystals so it is most likely an Extrusive igneous rock. They form on the surface where they cool quickly.
Those that form underground are called intrusive rocks. They cool slowly allowing enough time for crystal formation.
Answer:
Innate immunity you are born with.
Acquired immunity you need to work on over time
Explanation:
Poison ivy for example. Come people are born immune to it, while others have to be around it a lot, (agonizingly so), and they will build up immunity to it's poison.
1.answer: As the focal distance increases the eccentricity decreases making the planets orbit more circular 2.answer:0
Telephase.
Hope this helps ♡
Ok so the cell theory there are three theory’s, you can relate a scientific theory because, they can be tested. Only logical answer considering the lack of info