¡ayuda! no

¿cuál de las siguientes es una demanda social que impulsa la exploración espacial?
curiosidad
b. necesidad de nuevas tecnologías
c. tanto a como b

if you speak

which of the following is a societal demand that drives space exploration?
a. curiosity
b. need for new technology
c. both a and b

Although there are a limited number of amino acids many different types of proteins exist because..

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.