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fpt Using a microscope, a student observes bacterial cells on two different prepared slides. The student notices that the cells on one side are spherical and the other
cells are spiral-shaped. What is the most likely explanation for their different shapes?
A. one is harmful and one is beneficial
B. they belong to different kingdoms
C. one is an offspring of the other
D. they belong to different phyla

the animal that would be cutest if scaled down to the size of a cat? elephant

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:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.