If Earth was like a hardboiled egg, which part of Earth would the egg white represent? (4 points) Mantle, as its depth is less than 2,900 kilometers

Core, as its depth is less than 2,900 kilometers

Mantle, as its depth is up to 6,500 kilometers

Core, as its depth is up to 6,500 kilometers

introduction of a drug directly into the respiratory tract is a form of inhalation administration.

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.