Regular processing time for a replacement citizenship certificate application takes 6 months. However, if you can prove that you need your certificate urgently, either to travel or to keep or get a job that requires proof of citizenship, you may be able to apply for an urgent citizenship certificate.
Darwin's plans to find out about simulated choice by examining pigeons is that he needed to learn whether you can change the entire species taking after that particular pigeon into another type of pigeons. I hope the answer will help you.
Earthquakes can be recognized through association of plates sliding past each other.
The endosymbiotic hypothesis concerns the origin of mitochondria and chloroplasts, two organelles contained within various eukaryotic cells. According to this hypothesis, these organelles originated as separate prokaryotic organisms that were taken inside a primordial eukaryotic cell.