Which technology allows doctors to evaluate whether an athlete has broken a bone?

What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

Which planet do you think would be easiest for humans to colonize some day?