What might the continued burning of fossil fuels do for future generations?

a contribute to the rising temperature of the planet

b increase the amount of fixed nitrogen available for plants

c increase atmospheric oxygen available to organisms

d decrease the necessity of plants performing photosynthesis

The substances that are necessary for producing of certain hormones and that store and transport vitamins

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?