6. Observation is the process of gathering information through the senses, including sight,
sound, taste, smell, and touch. Which
observation is an example of sensory data?
A. The mass of a pebble is 25.0 g.
B. The volume of a pebble is 5.0 cm
C. A white pebble is speckled with gray spots.
D. A pebble does not conduct an electric
current.

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?

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit