At present, the formation of the solar system is believed by most astronomers to have begun with a large, swirling volume of cold gas and dust called the ______________ nebula
a. condensation
b. primordial
c. accretion
d. celestial
b
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Which of the following types of chemical bond is not a primary bond type?
(a) Covalent (b) Fluctuating- electric dipole (c) Metallic (d) Ionic
Which of the following best describes the purpose of WAI guidelines?
A. To define a web-safe color palette. B. To centralize the domain name registration process. C. To ensure accessibility of webpage content. D. To encourage mobile-first web design strategy.
A car enters a 300-m radius horizontal curve on a rainy day when the coefficient of static friction between its tires and the road is 0.600. What is the maximum speed at which the car can travel around this curve without sliding?
A) 29.6 m/s B) 33.1 m/s C) 24.8 m/s D) 42.0 m/s E) 37.9 m/s
How much heat (in kilocalories) is needed to convert 1.00 kg of ice at 0°C into steam at 100°C?
a. 23.9 b. 79.6 c. 564 d. 643 e. 720