Which is mostly studied by meteorologists plzz help :( A. weather
B. Volcanoes
C. Rocks
D. Fossils

What was the land like over 500 million years ago? what was under the sea?

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.