if the conditional statement " If I use my cellphone to much, my bill will be expensive," is true, which other statement must also be true. A. None must be true. B. If my bill is expensive, I used my cellphone to much. C. if I do not use my cellphone to much, my bill will not be expensive. D. if my bill is not expensive, I did not use my cell phone to much

Mount erebus, an active volcano, is located a. in australia's snowy mountains b. on new zealand's north island c. in antarctica d. on melanesia's largest island

Topographic maps are used to measure a-composition b-movement c-elevation d-texture

What is likely to happen in the long term if the earth continues to absorb more energy than it emits? a. the earth will discontinue recycling energy. b. organisms will begin to compensate for the change by incorporating more energy. c. the overall temperature of the earth will increase. d. the nutrient cycles will happen more frequently. select the best answer from the choices provided a b c d