Question

(9) Disease are classified as acute or chronic depending upon…….

(a) Duration (b) Transmitting agent (c) Nature (d) None​

Answer 1

Answer:

b is the answer follow me

Answer 2

duration is right .

explain

acute disease is the disease which is last force some days and severe least damage.

chronic disease is that disease which is last four very days and can be life threatening and severe most damage to the body