Answer:
Iv and
Ii
Explanation:
I think they are the main function of human skeleton system.
What is different with retroviruses in reproduction is that they do not kill their hosts at first because they can still insert their own genome. This process is what is known the reverse transcription. This is done by different proteins.
Answer:
where's your data? tho, i think we're answering the samee thingggg. here's mineee