An airplane flying due north at 90 km/h is being blown due west at 50 km/h. What is the resultant velocity of the plane?
a
74 km/hr
b 82 km/hr
С
103 km/hr
d 95 km/hr

The “death throes” of stars are amongst the most complex phenomena in all of astronomy, and the “corpses” of stars amongst the most energetic and exotic objects in existence. beginning at the end of the core helium fusion stage in a star’s life, describe in detail the post-main sequence development of both (a) a 1.0 solar mass star, and (b) a 25.0 solar mass star. in what significant ways do they differ? what role does each of these types of stars play in the "star-gas-star" cycle and the evolution of chemical elements in our galaxy?

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?