True or False: On Earth, 99% of carbon is trapped in fossil fuels.

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

The body is protected against harmful flu viruses by