Answer:
4
Explanation:
Mars Odyssey and Mars Express required spectrometric equipment that could analyze Mars's atmosphere
C)fossil aging and no i did not use google i knew this from 7th grade
DNA replication is said to be semi-conservative because of this process of replication, where the resulting double helix is composed of both an old strand and a new strand. ... Semiconservative replication would produce two copies that each contained one of the original strands and one new strand.
