What are the only arteries that carry oxygen-poor blood in the body? ?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

According to this food web which of the following would be considered primary consumers

What would be he the strand of complementary dna produced be the strand of dna shown below> tcg aag