The complementary strand<span> for </span>DNA<span> must follow the base pairing and polarity rules. Pairing means that A=T and G=C. Polarity means that the </span>strands<span> have to run in opposite directions. First </span>write<span> the correct base pairing </span>below the original sequence<span> and label the 5' and 3' ends.</span>
The correct answer is climate. Many mass extinctions of life occurred due to major changes in climate. Climate change is as also known as global warming affects many things. It is causing the rising temperature of the Earth's surface due to human's abusive usage of things.
