Rbc dont have a nucleus to pack more haemoglobin. it also has a biconcave shape to increase surface area.... idk about the other two. sorry
The answer is archaea. Though <span>bacteria, protozoa, </span>unicellular<span> algae, and </span>unicellular<span> fungi are all unicellular, archaea are the only ones that can survive in harsh environments</span><span />
<span>Air pollution has a variety of effects upon health, including biochemical, physiological and breathing difficulties (such as increased coughing, increased C02 intake, restricting air flow, disrupt ventilation etc). The statement "It could restrict air flow through the bronchi" doesn't explain the effect of air pollution effectively enough.</span>
Answer: the reason is because fish live and eat the coral reef
Explanation: if the coral reef is dying the the fish population will die out and the coal reef can help with nutrient recycling
