Examlex
How many liters of oxygen are needed to exactly react with 27.8 g of methane at STP?
CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
Habilis
Homo habilis, an early human species known for its use of stone tools, which lived approximately 2.1 to 1.5 million years ago.
Anthropoids
A subgroup of primates, including monkeys, apes, and humans, characterized by their higher brain-to-body size ratio and more advanced cognitive abilities compared to other primates.
Hominoids
A primate group that includes all apes and humans, characterized by higher intelligence and more complex social structures compared to other primates.
Hominids
A family of primates that includes humans and their fossil ancestors, characterized by bipedalism and large brains.
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