8. Arteries carry oxygenated blood from the heart to the rest of the body, while veins carry deoxygenated blood from the body, back to the heart. Arteries are thick and muscular, while veins aren't as thick, and they have valves.
Answer:
D) largest mass extinction event in Earth's history
Explanation:
The cambrian era started following the pre-cambrian extinction
Answer: If a solution is an acid, then it will have a pH below 7, and if the solution is a base, it will have a pH above 7 since the pH value is determined by the concentration of H+ and OH– ions.
Explanation:
Atoms are so small and its easier to controll it that way. hope that helps
Answer:
The problems that is represent Dubai are the follows:
-Rely heavily on oil
-Spend a lot of energy
-Don't have Parkland
Explanation:
This city is compose for all technologies and nothing of rural or other things that help to the environmental, need more Parkland but this city increase a lot how city.
