Since all seawater is one ocean, why are there different names for oceans and seas?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

Explain why scientists use the word dominant for certain traits.