Help 3. Light from the sun reaches Earth in 8.3 minutes. The speed of light is 3 x 108 m/s. How far is the Earth
from the Sun?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

What is the relationship between the direction of motion of the balloon and the wind currents