If a light signal and a radio signal were emitted simultaneously from a distant planet, the first to reach Earth would be the

A. light signal.
B. radio signal.
C. both the same time
D. need more information


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

Explain how Hawaii faces many of the same challenges as New Zealand in terms of the development of manufacturing for export

What will be an ideal response?

Environmental & Atmospheric Sciences

Discuss the objective and success of the 1987 Montreal Protocol

What will be an ideal response?

Environmental & Atmospheric Sciences

Lead pollution is a problem because lead ________

A) will cause the ozone hole to increase B) causes central nervous system damage in humans C) can become attached to radon D) causes excess nutrification of waterways, resulting in eutrophication E) is a precious metal, and it is being lost to the atmosphere

Environmental & Atmospheric Sciences

Which of the following is true about the trade in animals and animal parts?

A) investors "bank" on extinction of elephants B) tigers are wanted for medicine C) Slow Loris is an endangered species D) CITES treaty bans ivory trade E) investors "bank" on extinction of elephants; tigers are wanted for medicine; Slow Loris is an endangered species

Environmental & Atmospheric Sciences