Which should be considered first in evaluating the cost of implementing a new technology to increase crop production?
A reduction in the number of hours needed to harvest the crops
B the amount of seeds that will be produced by the next generation of crops
the amount of crops already produced by farms
D possible negative effects of the new crop technology on the environment

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Anton created a chart listing different types of materials. which best complete the chart?