Introduction. The asthenosphere is the layer of the Earth that lies below the lithosphere. It is a layer of solid rock that has so much pressure and heat the rocks can flow like a liquid.The rocks are less dense than the rocks in the lithosphere.ntroduction. The asthenosphere is the layer of the Earth that lies below the lithosphere. It is a layer of solid rock that has so much pressure and heat the rocks can flow like a liquid.
Dictionary entry overview: What does directive mean? â¢ DIRECTIVE (noun) The noun DIRECTIVE has 1 sense: 1. a pronouncement encouraging or banning some activity Familiarity information: DIRECTIVE used as a noun is very rare. â¢ DIRECTIVE (adjective) The adjective DIRECTIVE has 1 sense: 1. showing the way by conducting or leading; imposing direction on
The term 'advance directive' refers to your oral and written instructions about your future medical care in the event you are unable to express your medical wishes. There are two types of advance directives: a health care directive (also known as a living will) and a durable power of attorney for health care.