PL HEL HEL When did whale ancestors begin living full time in the water?

a.
After they nursed under water

b.
After they lost their hind legs

c.
Before they evolved gills

d.

Before they began eating a carnivorous
diet

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?