The actions involved in the process of digestion are

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

a. 35°c

b. 25°c

c. 10°c

d. 40°c

answer: d. load

a river's load refers to the natural phenomena in which the sediments, rocks   stones, boulders and other deposits are removed and picked from the bottom bed of the river due to the abrasion resulted by the high speed water current.