How was their technology different? 2. Mariner 4 and 9 and Viking 1 and 2 probes needed enhanced cameras and wireless
communication equipment to take images of Mars's surface and send them back to
Earth. According to the video, how did improving our technology lead to new discoveries
about Mars?

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Explain how the political influence of african americans leaders became weaker.