Q1: Which of the following of Dalton's theories do we still use today? matter is composed of small tiny particles called atoms
atoms cannot be divided
atoms of the same element are identical in size, mass, and properties

Q2:How many neutrons are there for ^242U?

92 neutrons
238 neutrons
242 neutrons
150 neutrons

a graduated cylinder.

explanation:

i think it's letter a.

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph