Which country was the first in the world to launch a mass media campaign in response to population growth?
a)india
b)china
c)kenya
d)australia

11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.