PLEASE HEL A square is a diagram used to predict all possible allele combinations from a genetic.
. Using this diagram, the phenotype s of offspring can be determined from the genotypes.

A punnet square,  a genetic cross

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:

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex