Because the liver helps to regulate blood clotting, people<span> with liver disease (for example, hepatitis or cirrhosis) also have a tendency to </span>bleed<span> easily. Most commonly, easy or excessive bruising occurs because the skin and blood vessels are fragile.
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Answer:
Photosynthesis
Explanation:
Studies about the time period of oxygen accumulation suggests that free oxygen was first produced by prokaryotic and then later by eukaryotic organisms in the ocean. These organisms carried out photosynthesis more efficiently, producing oxygen as a waste product.
The organism mainly responsible for this is known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, oxygen.
We can find the average speed of the body by finding the total distance covered, and then dividing it by the total time of the motion.
The total distance covered is:

while the total time of the motion is

So, the average speed of the body is:
Answer:
gravity & inertia
Explanation:
what goes up must come down & an object in motion will stay in motion until stopped