The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments.n the old oceanic mantle the transition from the lithosphere to the asthenosphere, the so-called lithosphere-asthenosphere boundary (LAB) is shallow (about 60 km in some regions) with a sharp and large velocity drop (5-10%).
direct delivery. Consignment in which the delivery documents (such as a bill of lading) are sent directly to the consignee, without using an intermediary such as a bank.
Vaginal delivery is the method of childbirth most health experts recommend for women whose babies have reached full term, or at least 37 weeks. Compared to other methods of childbirth, such as a cesarean delivery and induced labor, itâs the simplest kind of delivery process.