12. About 85% of the world's is still produced by nuclear fission and burning fossil fuels.
A. oil
B. Natural gas
C. Coal
D. Electricity

The variables for this experiment include the number of each type of sprout, the average height of those sprouts, and the amount of compost given to each plot of land.use the drop-down menus to complete the sentences and identify the independent and dependent variables. the independent variable, the one that you intentionally manipulate, is the the dependent variables, the ones that you measure the response in, are

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy