Substance Melting Point (°C) Boiling Point (°C)
Water
0
de 100
Ethanol
-117
79
-190
-42
Propane
Table salt
801
1,465
Which substance in the choices are a gas at 100°C? [Select ]
What state of matter is Table salt at 100°C? [Select]

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.

What does the number 18.9984 represent in the image?

Northern switzerland has a fairly cold climate caused by sea winds from the atlantic ocean but souther switzerland tends to be much warmer and sunnier, what could cause this difference?