The answer is B
An open system has its energy and matter leave and enter the system's boundaries unlike in a closed system where energy remains within the system.
The earth's atmosphere shares heat and water vapor with the hydrosphere (oceans, seas and lakes), energy form the sun, in the atmosphere and then partly radiated back to space
The patient may have internal bleeding or infection. I would go with internal bleeding because surgery was recent. The clips can come off the artery easy to cross clip.
B.4 When the diameter doubles the volume eight times and the surface four times would be increased so that's why the answer is 4
If a corn plant has a genotype of Ttyy, what are the possible genetic combinations that could be present in a single grain of pollen from this plant.
