The rate at which the earth is losing heat is an unreliable age indicator because
the earth is not losing heat
the earth was originally cold
heat from radioactivity confuses the problem
the atmosphere traps heat

it has one origin of replication, but it proceeds in two directions - d)

yes? sounds right, but you didn’t ask a question.

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: