Janine is pushing a toy car along the floor. As the car moves, work is being done. The fact that the car is moving and work is being done shows that
A. cars are always working.
B. a force is not present.
C. energy is present.
D. the car is moving quickly.

Aclient says to a nurse, "i have trouble sleeping and wake up several times during the night." what instructions should the nurse provide to the client? select all that apply.

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?