The mining of oil shale requires the lowering of ground water below the level of oil shaling.
Answer:
circulatory and respiratory
Explanation:
The body system of Birds possesses a higher arrangement of organs to perform a particular function. The organs form a system which includes the organs and associated structures.
When the biologist observed the shortage of the dissolved oxygen and increase in the level of dissolved carbon dioxide, this could be the result of the failure of the circulatory system which supplies these gases on the body and the associated respiratory system which helps in the exchange of these gases with the atmosphere.
Thus, circulatory and respiratory is the correct answer.
If anything, the answer would be the Eight plastic bags. The reason for this is that sea turtles often mistake the plastic bags for jellyfish, which could easily throw the marine environment as well as it's foodchain/foodweb off balance. This could easily wipe the population of the seaturtles as well as it's prey/predators that help maintain the population balance within the marine ecosystem.
There are 3, nervous, endocrine and circulatory
Answer:OWA OWA
Explanation:Thanks lol and if anyone can help me on my recent questions please thanks<3