The answer is a because if you look at the bone structure in each animal, you would notice how similar they look to one another, and all of the animals above use their legs for the same function which is walking which can suggest that all had a common ancestor.
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Explanation:
energy flows in only one direction through an ecosystem.
While states have been relatively effective in stopping <u>The depletion of the ozone layer </u> they have been less successful at stopping <u>Global climate change.</u>
Countries all across the globe decided to stop using ozone-diminishing compounds in order to protect the ozone layer from depleting.
The Vienna Convention for the Protection of the Ozone Layer in 1985 and the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987 formalized this accord.
Ozone shields the Earth from the Sun's damaging ultraviolet (UV) radiation. Life on Earth would be extremely difficult without the Ozone layer in the atmosphere.
Plants and planktons, which provide sustenance for the majority of ocean life, cannot survive and thrive in high UV exposure.
Learn more about to<u> </u>Global climate change.<u> </u>visit here;
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The correct answer is that "she was suffering from cervical cancer".
Henrietta Lacks was known to be <span>an African-American </span>female<span> whose </span>cancer<span> cells are the </span>source<span> of the HeLa </span>cellular<span> line, </span>the primary<span> immortalized </span>cellular<span> line and </span>one of the most important cellular lines<span> in </span>scientific studies<span>. An immortalized </span>cell<span> line will reproduce indefinitely </span>beneath particular conditions<span>, and the HeLa </span>cell<span> line </span>continues to be<span> a </span>source<span> of </span>helpful clinical records<span> to the </span><span>contemporary</span>
