A gene is the basic unit of heredity, DNA a self replicating material and chromosome a structure of nucleic acids and protein.
The answer is b because the autor in the passage said .
Alfred Wagner's evidence began at the simplest form that the continents appeared to<em> fit</em> together like pieces to a puzzle. It wasn't only that though. The evidence showed that the same rocks and fossils existed on separate continents - the same continents that if pieced together would be connected.
Answer:
A should be the correct answer I'm not sure but goodluck
Hello!
answer : c
eg = octahedral, mg = square planar, sp3d2
Hope that helps!
