A gastrovascular cavity is a digestive sac with only a single opening. An alimentary canal has two openings (a mouth and anus) between its digestive tubes unlike the gastrovascular cavity in which food is ingested and eliminated through the same opening.
Here is your Answer.
A is the answer! Oh god I hate the mini characters limit
False
because Chronic disease is one that is long-lasting or very persistent
Explanation:
A common cold comes and goes within a few days or at most weeks unless there are deeper underlying health issues affecting the subject. Examples of chronic conditions are arthritis and diabetes. These, however, are cot communicable.
Communicable means they can be transmitted from person to person through transmission agents like air, water, and even vectors. A common cold is communicable because it is an airborne illness meaning it is transmitted through the air.
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Water
Soil
The sun
Atmospheric Gases
Temperature.
These are just a few of many, but all abiotic factors are not living. Hence A-Biotic
Biotic means living, so when you put the ''a'' prefix it means the opposite of living.