Which characteristics belong to Whittaker’s classification system? Select two options. a. three domains
b. six domains
c. two kingdoms
d. five kingdoms
e. five levels
f. seven levels
g. eight levels

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.