How do microorganisms affect soil formation?
a. by releasing toxic chemicals into the soil
b. by increasing the nutrient content of soil
c. by improving porosity via movement through the soil
d. by releasing chemicals that react to form soil particles

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:

energy and particles