Radar observations are used from venus-orbiting spacecraft to evaluate mountain heights by measuring the time difference between echoes from mountain peaks and from the surrounding plains. in this technique, what would be the time difference for signals reflected from maxwell montes, which rises 12 km above the plain? (think about the geometry and total path length.)

answer at the divergent plate boundary in the middle of the ocean;

there are many enlightenment ideals in the declaration of independence. one is the idea that all people are entitled to certain rights just by virtue of being human. another is the belief that a government’s legitimacy comes from the consent of the governed. finally, the declaration of independence incorporates the enlightenment idea that a government’s main purpose is to protect the rights of the people.