Fossils are primarily found in sedimentary rock because these rocks form at low temperature and pressures.
The second step in the scientific method is to ask questions
The majority of mutations have neither negative nor positive effects on the organism in which they occur.
Explanation:
The major blood vessels that are connected to the heart include the aorta, the superior vena cava, the inferior vena cava, the pulmonary artery (which takes oxygen-poor blood from the heart to the lungs, where it is oxygenated), the pulmonary veins (which bring oxygen-rich blood from the lungs to the heart) and the coronary arteries (which supply blood to the heart muscle).
Your answer would be the second one B
