The lives of the crew of Apollo 13 were put in danger when: someone at Ground Control made a mistake while making an important calculation.

Lovell was able to turn the telescope and see part of the sun.

an oxygen tank on their spacecraft exploded, causing a series of very serious mechanical problems.

All of the choices are correct.

Which of the following facts is true for the jallianwalla massacre, as discussed in gandhi's reponse to mr. pennington? a) all members gathered for the vaisakhi fair remained calm. b) general dyer made a verbal proclamation warning all members of the crowd to stay peaceful. c) children attending the vaisakhi fair were killed, d) anyone who tried to run away from the violence was able to escape.

Which line from president reagan’s address sat moscow state university is a fact? a. democracy is the standard by which governments are measured. b. throughout the world, free markets are the model for growth. c. the key is freedom-freedom of thought, freedom of information, freedom of communication. d. every four years the american people choose a new president, and 1988 is one of those years.

How does this image the reader to understand seismographs?