Well he used both. But true is the answer
Most spontaneous abortions occur because of the first 12 weeks.
Hope this is what you want. Have a good day! :D
Option A and D are cell organelles. Option C is a haploid cell, while option B (bacterium) is a living organism.
Answer:
first their will be 3one then it is 2one then their will be 4th one and then their will be 1one
Answer - The oxygen molecules move, by diffusion, out of the capillaries and into the body cells. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries. Carbon dioxide is brought, through the blood, back to the heart and then to the lungs.