<span>a. dna molecules ...........................</span>
I think its a because risk actually means exposure to danger our sacrifice your self plz mark as brainly
XX Chromosome and Male have XY chromosome.
Answer:
Explanation:
The geologic time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth's history.
