Answer:
mantle i believe the answer should be mantle
No, the cell membrane regulates movement of materials into and out of cells.
An ectotherm gets its heat from external sources
(Remember "ecto" means outer, "endo" means inner)
I am not sure how to answer
Answer:
o determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years
= )