attaching methyl groups to dna has what effect on the DNA a) forms hydrogen bonds between complementary base pairs b) decrease gene expression c) Forms covalent bonds between adjacent base pairs d) increase gene expression

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

fumikage isn't really a bird, and tsuyu does have teeth. tsuyu has a transformation quirk which still allows her to be partially human. otherwise we'd have a large frog running around. fumikage has teeth because again, he isn't a bird. his head was a quirk mixture if i'm correct.

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.

the answer is