Technological design leads to the development and innovation of new technologies.
which statements represent innovation? check all that apply.
solar panels have increased in efficiency over the past 20 years.
the sun is the primary source of energy for the solar system.
alternative energy sources are one method for meeting energy needs.
amore aerodynamic automobile uses less fuel.
natural selection ensures that only the fittest survive.

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

Which of the following forces require physical contact? tension air resistance friction magnetic force applied force