A wooden block slides down a ramp that is 8 meters long in 2 seconds. What was the average speed of the wooden block? A. 8 m/s
B. 4 m/s
C. 16 m/s
D. 10 m/s

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi