Answer:
a. chemical
b. chemical
c. physical
d. chemical
Explanation:
density is mass/volume so we do
.115/.000265
433.962 g/mL
Its acrylic, nylon, and polyester :)
%Mass
Ar C = 12 g/mol, Mr C₄H₁₀ = 58 g/mol, Ar H = 1 g/mol
or
Pseudoscience
"Astrology has not demonstrated its effectiveness in controlled studies and has no scientific validity, thus regarded as pseudoscience."
