How can Earth’s layers be defined? Select 2 correct answers by their physical properties

by their amounts of land area

by their proximities to the core

by their chemical compositions

by their asthenospheres

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:

maybe because its impossible for balloons to lift a whole entire house.