I tried to submit a picture of it but it wouldn't get the whole questions but the question was naturally occurring europium consists of two isotopes with the mass of 151 and 153. europium-151 has an abundance of 48.03% and europium-153 has an abundance of 52.97%. what is the atomic mass of europium? ​

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 electromagnetic energy from the sun arrives in the form of visible and invisible light.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.