<span>Option D correctly describes seafloor spreading. Seafloor spreading is a process which typically occur at middle ocean ridges where new oceanic crusts are formed as a result of volcanic activity. These oceanic crusts then gradually move away from the ridge.</span>
Answer:
1. physical and chemical barriers
2.non-specific innate response
3. specific adaptive responses
Explanation:
Genus comes first so genus
Answer:
Explanation:
Opinion on Climate Change
A poll taken in 2016 shows that 52% of Americans believe climate change to be caused by human activity, while 34% state it is caused by natural changes. Data is increasingly showing that 62% of Americans believe that the effects of global warming are happening now in 2017.
The pyloric sphincter is compose of smooth muscle and is located between the pylorus in the stomach and duodenum of the small intestine. In digestion, it serves as a valve controlling the flow of food thus it prevents the contents of small intestine backing up into the stomach.