Why do scientist believe that the earliest life forms most likely lived in the oceans

Ms. ringer asked her class "what are the favorite colors of the students in our school" which student correctly deceives ms. ringer's question

[ou.01jthe greatest speed with which any physical object moves is 300,000 km/soundsec. which of the following has a speed of 300,000 km/sec? a. light in water b. light in vacuum c. sound in air. d. sound in water

Hey! can anyone me out with my homework? it will be very much appreciated! and !