<span>The average human red blood cell is roughly 6 to 8 micrometers wide. The width of a pin is this problem is defined as 1000 micrometers. Assuming we use the smallest size of a blood cell, then we divide 1000 by 6, and we find that roughly 166.66 (or 166 if you are rounding down) red blood cells will fit.</span>
The answer is B. this has to be 20 characters long.
Answer:
Evolution is a scientific theory used by biologists. It explains how living things change over a long time, and how they have come to be the way they are. ... It is known that living things have changed over time, because their remains can be seen in the rocks. These remains are called 'fossils'.
Answer:
air conditioners
Explanation:
Oxygen is always released from higher plants during photosynthesis