Sometimes scientists have different explanations for the same observations. For example, before scientists understood atoms, they had different explanations for matter. What did these differing explanations lead scientists to do?
A) Scientists made more observations about the makeup of matter.
B) Scientists made fewer observations about the makeup of matter.
C) Scientists voted on a common explanation on which they could agree.
D) Scientists stopped studying matter until microscopes were introduced.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

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:

the fossil record provides evidence of a common ancestor to many species.