What will happen if someone sprays the plant with an insecticide? A) The caterpillar will die.

B) the caterpillar will die, then the frog will die, then the snake will die.

C) Too much sun energy will build up and melt the Earth.

D) the caterpillar will die, then the frog will die.

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

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6