During which eon did the first bacteria appear?

(If correct, will vote for Brainiest)

What is an example of an ecumene (ap human geography) ?

Of the following weather factors, which is most important in determining the plant and animal populations that can exist in an area? air pressure cloud cover humidity temperature

What is the measure of 0 in radians

What is the reason for different temperatures if the states along the east coast of the United States and states that are further inland

Which of these Earth events was dated using the most valid and reliable source of information? 1) millipede appears 2) land mammals appear 3) rodents appear 4) insects appear

As water evaporates from a solution minerals become very concentrated and begin to forma rock what type of rock is it

What is bushfire ... ?

Which of the following factors influences ocean currents hurricanes, the moon, wind patterns, or tides

Which type of landscape regions show evidence that crustal uplift was dominant over erosional forces in the past?

What are some patterns in landforms on earth?