The correct answer is C. One change on Earth's surface can result in changes to other Earth systems.
Statistically, none of the other problems would make sense when looking at the graph, other than question A, which we know is the opposite way around.
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Answer:
scientist has estimated that over 8.7million species in the world of plants and animals in existence, though as few as 6.5million on land and 2.2million in the ocean
Only plant cells have a cell wall
Answer:B
Explanation:
The nitrogen bases in DNA code for the sequence of amino acids that make up a protein
A magnesium ion, Hg2+, is formed<span>.</span>
