3. How many seconds would it take a radio wave to trovel
from the planet Mars to
Earth when they are the
closest?
(Closest distance from Mars
to Earth = 54.6 million
kilometers).

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness