20 pauline is having a party and wants to ens...
20 pauline is having a party and wants to ensure that all of her friends receive an invitation in a timely manner. she decides to post her invitation on various forms of social media. what could be a potential drawback to paulines choice of notification? a everyone receives the invitation at the same time. b those outside her circle of friends could receive access. c potential guests have the option to rsvp. d she can quickly correct errors in the invitation. 21 elizabeth was looking at the pattern formed when the 100 closest stars were classified onto a hertzsprung - russell (hr) diagram. she wondered why most of the stars were clustered onto a diagonal line from the high temperature and luminosity corner to the low temperature and luminosity corner. which is the most accurate explanation for this clustering of stars on the hr diagram? a most stars are main - sequence stars, which fuse hydrogen for energy and produce an amount of light positively correlated to the temperature of the star. b most stars are red giant stars, which fuse iron for energy and produce an exact amount of light positively correlated to the temperature of the star. c most stars are neutron stars, which fuse helium for energy and produce an exact amount of light positively correlated to the temperature of the star. d most stars are supernova stars, which fuse iron for energy and produce an exact amount of light positively correlated to the temperature of the star.