Answer:
Blood is carried away from the heart by arteries. Blood that is rich in oxygen. Blood that is low in oxygen is returned to the heart by veins. there is more pressure in arteries than in veins.
Answer:
The type of mutation that causes this translation error is called deletion. Deletion occurs when a section of a DNA is deleted or lost. In cystic fibrosis, three nucleotides are deleted that results in the lost of phenylalanine
<span>A pedal steel guitar uses foot pedals and knee levers. It </span>allows the player to change pitches with his feet and knees (apex). <span>A pedal (or foot pedal) is something you can use if you want to alter the sound coming from your guitar or add various sound effects.</span>
Answer:
More nitrogen gas became present in the atmosphere
