Ablue whale makes a call underwater at the same time as an elephant calls on land. how long will it take eachof these sounds to travel 3 km?

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? the arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced , similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s .

One of the purposes of transcription is to produce a sequence of bases that