When it's winter in the united states, in argentina it is
a. spring
b. summer
c. fall
d. also winter

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

What is an aquifer for science class

Which radioisotope is used in dating geological formations?