The answer is B: proteins and lipids.
Also carbohydrates
The mantle i think sorry if i am wrong
The correct answer is D.
Seafloor spreading is a process of creating seafloor crust out of volcanic materials that are emerging from the Earth's core at the mid-ocean ridges.
This is made possible by the moving of Earth's tectonic plates.
Answer:
Radioisotopes are radioactive isotopes of an element
Explanation: Radioactive isotopes are detected by: photographic film.
a cloud or bubble chamber.
a liquid scintillation detector.
a Geiger-Muller counter.
They are easy to be addicted to
they can hurt your mind
they are so addictive that you use them so frequently (hence the word abusing)
