Answer:
it effects the ozone which keeps out a majorty of the the suns raditon
Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.
The Vascular system transports water and sugars throughout the plant during photosynthesis.
People<span> who </span>tend<span> to </span>gain weight<span> in the </span>hip area have<span> a </span>higher incidence<span> of </span>coronary heart disease<span> wham do </span>people<span> who </span>gain weight<span> in the</span>abdominal area<span>. False.</span>
if the hypothesis is rejected, it may not need to be displayed
