Which of the following statements about energy is false? a. Energy can neither be created nor destroyed.
b. Energy can be changed from one form to another.
c. Energy has mass and occupies space.
d. There are renewable and non-renewable sources of energy.

Which term best describes the phrase “something that happens”?

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

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.