Are reactants in the process of cell respiration.
A)Water and sugar
B)Sugar and oxygen
C)Water and oxygen
D)Water and carbon dioxide

The answer is B because cells take in glucose (sugar) and oxygen and make energy and carbon dioxide

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:

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.