Answer:
Chromatin helps regulate DNA replication.
Explanation:
Chromatin helps condense DNA strands to smaller units that can be easily managed during DNA replication and gene expression. This also prevents the breakage of the strands and facilitates equal distribution of chromosomes during cell division (during mitosis and meiosis).
Yeah its night time, most people aren't active at the moment.
Water waves are mechanical waves which light waves travel in rays and doesn’t depend on motion.