The answer is: “Whales are more efficient at gas exchange than humans which helps them conserve energy.”
Blood type O can be given to anyone.
PHANERITIC TEXTURE - Igneous rocks with large, visible crystals because the rock formed slowly in an underground magma chamber. PORPHYRITIC TEXTURE - an igneous rock in which PHENOCRYSTS (large crystals) are surrounded by a fine groundmass (very small crystals).