Answer:
D. ultraviolet rays from the sun
Explanation:
the ozone layer absorbs a lot of ultraviolet radiation from the sun. i think it's helpful to think of the ozone layer as either a shield or sunscreen to remember its purpose.
Answer:
China, Russia, Kazakhastan, Mexico, Nimibia, Greenland, South Africa, Canada, Australia
<span>The complementary strand refers to the sequence of nucleotides that base pairs with the strand that is provided. Remember, A pairs with T (in DNA) and G pairs with C. If the sequences above are written in the 5' to 3' direction, for the first strand, the complement would be 3'-TAAGCCACG-5'.</span>