Human populations all over the world burn fossil fuels to power cars, planes, and generate electricity. select the statement that best describes the long–term global effects of this behavior. a.) burning fossil fuels pollutes the environment and our heavy reliance on them creates a long–term problem because they are not a renewable resource. b.)countries will not need to spend money on investigating other sources of energy because fossil fuels are abundant. c.) fossil fuels burn clean so the pollution problem is not really a source of concern for the future. d.) as populations increase, the need for fossil fuels will decrease; therefore, there will always be an abundance.

Date chapter motion and speed review part a. vocabulary review directions: write the terms that match each description below in thes complete the sentence in number 13. ich each description below in the spaces provided. the boxed letters will 1. equal forces acting in opposite directions (2 words) 2. occurs when an object's velocity decreases (2 words) 3. sum of all forces acting on an object (2 words) 4. total distance divided by total time (2 words) 5. name for the slant of a line on a graph 6. distance divided by time 7. a push or a pull exerted on a body or object 8. distance and direction of an object from its starting point 9. tendency to resist change in motion 10. measure of how far an object has moved 11. speed and direction of motion 12. rate of change of position at a specific point in time (2 words) 13. the rate of change in velocity is called motion and spe

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s