<span>gills; lungs
Sharks have spiracles, also for whales they have lungs. Moreover look at amphibians, they live near water sources because they need an area where they can lay and protect their eggs. The early stages of an amphibian's life is spent mostly underwater. This is where they mature and slowly develop into land organisms. In the early stage of their life, they breathe through their gills and they do not have limbs yet. As they grow gradual changes in their body structures are prominent, this process if called metamorphosis.</span>
He shaping of Michigan's geological landscape began more than one million years ago, during the great Ice Age
Both soil and the ocean contain charcoal microbes, assigned to the Archaeologist, that convert ammonia to nitrites. They are more abundant than the nitrifying bacteria<span> and may turn out to </span>play<span> an important </span>role<span> in the </span>nitrogen cycle<span>.</span>
The answer is a because i took it on k12
