When using the celestial coordinate system, which of the following is not true? a) all of the stars can be observed from any location on earth. b) most of the stars appear to rise to the right in the sky at night. c) many stars, planets, and comets can be located. d) all of the 88 constellations can be located.

How many grams of n2h4 will be consumed by 23 g of n2o4

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)