Duodenal ulcers
Brainliest?
Answer:
please give me brainlist and follow
Explanation:
Arteries have smaller lumens than veins, a characteristic that helps to maintain the pressure of blood moving through the system. Together, their thicker walls and smaller diameters give arterial lumens a more rounded appearance in cross section than the lumens of veins.
Answer:
<em>Sperm is the only thing that can combine with a egg to create a living breathing organism </em>
Explanation:
B. Scientific law
Explanation-
It’s a statement that explains an idea based upon experimental observations. It’s true based on the fact that they have always been observed to be true. It can be in a form of words and be expressed as a mathematical formula.
Examples would be the law of gravity and Boyle’s law of gases.
The rock on the top would be formed most recently, so A.