DNA and RNA share a number of similarities, but they also differ in certain aspects of their structure. Which nitrogenous base is found in RNA but is not found in DNA? uracil

What is the name of the two satelites on mars

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

What best explains the inability for life to exist in earth early atmosphere