Which of the following is a likely reason that some missions failed among the Native populations of Texas A: The Native people had their own religions, beliefs, and ways of doing things
B: The missionaries could not build structures that would last.
C: The Spanish sent no support for the missionaries.
D: Most missionaries didn't believe in what they were doing.

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.