Answer:
There are an estimated over 10,000 bird species that exist in our world
Explanation:
The most notable types include humming birds, which have incredibly fast heart beats of up to 1,260 beats per minute.
There are also a group of birds that are flightless and cannot fly, which include Ostriches, which are also the tallest and heaviest living birds. In fact an ostrich is the closest ancestor to a Tyrannosaurus Rex.
Overall, there are many amazing birds out there! Hope this helped a little!
Well, it almost sounds like a rhetorical question. Who can? Well, probably someone higher in power with the help of technology. They already have cameras being built into the suits due to the reports of unfair treatment from police officers. We could possibly have people from the government watch over footage from the cameras or have supervisors go with them. Anyway, that's my possible answer/opinion to that subject. Maybe that can give you some insight (-:
Their change in position is caused by the movements of the tectonic plates.
Answer:
a. In the North Pole and South Pole because of prevailing ocean currents, as well as the fact that deposition exceeds evaporation at the poles