Early hominins walked on two legs is the answer.
Laetoli's footprint provides a clear snapshot of early Hominini bipedalism with slightly but significantly different limb postures. These data support the hypothesis that significant evolutionary changes in Hominini bipedalism occurred 36 million years ago.
Laetoli is a prehistoric site in the Enduleni district of the Ngorongoro district in the Arusha region of Tanzania. The site dates from the Pliocene to the Pleistocene and is famous for its Hominini footprints preserved in volcanic ash. The location of Laetoli's footprints is 45 km south of the Olduvai Gorge.
Learn more about laetoli footprints here:brainly.com/question/13500431
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Answer:
Factories is correct
Explanation:
Can plants basically create non breathable smoke? No. so A isn't correct
Can animals do that? No. so B isn't correct
Can sunlight do that? No. so B isn't correct
Because if there are no animals we can't live, we purposely mix breeds maintaining more than one resource. <span>Maintaining biodiversity has a direct economic value to humans, as well as indirect economic value because our ecosystem is affected by any imbalances in the environment. For example, a lack of trees will mean we don't have enough oxygen to breath. A lack of fish will mean many animals that feed of sea creatures will die.</span>
The answer is A.Sperm and eggs
Variant
Difference in the DNA sequence between two individuals
Genotyping
An analysis that looks at specific locations in DNA to identify variations
