Consider the four hydrocarbons in the table below. one is an alkyne, and the other three are alkenes. hydrocarbon boiling point (°c) w –23 x –103.7 y –75 z –47 if these hydrocarbons were similar in size, which one would most likely be an alkyne? w

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

The excretory system,need answers for all: )