The oceanic lithosphere is More rigid than the continental lithosphere More plastic than the asthenosphere Less dense than the continental lithosphere More dense than the continental lithosphere

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Which part of cellular respiration must occur before any of the other steps can occur

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service