Answer:
There is no mixing of oxygen-rich and oxygen-poor blood.
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The right atrium and right ventricle of the human heart pump oxygen-poor blood to the lungs and the left atrium receives oxygen-rich blood. They never mix.
Answer:
Renewable energy resource as an obstacles for the growth of migratory salmon populations: It is now believed that the reduce access to spawning grounds and nursery areas, leading to a decrease in migratory fish populations is due to the dam structures of large storage-type schemes, which can create great obstacles for the movement of migratory fish species.
Explanation:
- Storage-type schemes ( big dams) can significantly change the downstream flow regime,and may also alter water temperature and quality, and even make it inhabitable for fish to live.
- As the storage of water can be linked with high evaporative losses, which in turn results in high life cycle water footprints compared to other sources of electricity.
<u>Run-of-river (ROR) schemes are HEP schemes: </u>
They operate without water storage, using the flow within a river channel.They are ecologically friendly and do not disturb the natural mechanism for the migrating salmons.
Working Principle:
They are normally used to regulate water levels, which allows a proportion or part of flow to be diverted down a secondary channel to a turbine before it is returned to the main channel further downstream.
There are some modern turbine types used in ROR HEP(hydroelectric power) schemes, which are also designed to allow fish to pass through the system unharmed if the fish do pass through the intake screens.
Answer:
Well you already know the answer is false but I want to elaborate on this for other people who have the same / similar question.
The main source of meat, milk and eggs in most, if not all, countries are Factory-Farms, which are highly abusive, cruel industries that provide meat to around 99% of business I assume haha. A lot of businesses that claim to use "humane" practices of getting meat, dairy and eggs are not true, there is really no human way to get meat or dairy (you can humanely get eggs though factory farms don't) you can read more about this stuff on SentientMedia (graphic content warning)
Farms around the world though use different ways of harvesting (by hand, by machine etc.) planting, different kinds of crops, different ways of waters, what kind of land they plant their crops in.
Hope this helps
have a nice day((:
Explanation:
Answer: phenotype. An organism's physical appearance, or visible traits. genotype. An organism's genetic makeup, or allele combinations.
