........
Explanation:
Answer:
Unicellular organisms achieve locomotion using cilia and flagella. By creating currents in the surrounding environment, cilia and flagella can move the cell in one direction or another.
B.
electrons can be lost by one particle, and gained by another particle
Q=mc*temperature change
400=5.6/1000*c*(87-23)
c=1160.07J/kg/k
number. so the option is c