Using the following words, explain how a HOT AIR BALLOON works. Why does it float upward in the air? Density, Volume, Motion of gas particles, Temperature Gas (Air) Particles, Size of balloon Increase

What happens to the light rays when they hit the specimen?

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Select the three ways that the parallel-plate capacitor differs from a car battery.