[free points, answer if you know Philippines] what is the most Historical place In the Philippines?

note: I'm a Filipina

The difference(s) between the grand canyon and valles marineris is/are: (a) the grand canyon was formed by water, but valles marineris was not. (a) valles marineris is much longer than the grand canyon. (c) valles marineris is much wider than the grand canyon. (d) valles marineris has large volcanoes near it. all of the above

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )