What type of technology takes scientists to depths they cannot reach by any other means?

Scientific drilling

Explanation:

Like proves sent into outer space, scientific drilling is a technology used to obtain samples from places that people cannot reach.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

cells spend most of their time in interphase