Answer:
B
Explanation:
because it is I hate health class bit I had to take it hope this helps
Answer:
c. a trait with four alleles
Explanation:
Polysaccharides
Hope that helps!
Answer:
Sedimentary rocks
By studying sedimentary rocks from the Earth's crust, we can learn about the history of how Earth's surface has changed over time
Explanation:
Nephron helps the urinary system to rid off metabolic waste in our system.