B is unsustainable as this is a practice of intensive farming usually conducted indoors, and is resource and energy expensive. C is unsustainable because groundwater is a limited resource and groundwater can take 1000s of years to be recharged. D is unsustainable as this involves moving water across vast distances and is expensive and ecologically damaging. A is sustainable as drought-resistant plants would in the long run use less water.
Answer:
The Liver
Explanation:
The liver's main job is to filter the blood coming from the digestive tract, before passing it to the rest of the body. The liver also detoxifies chemicals and metabolizes drugs. As it does so, the liver secretes bile that ends up back in the intestines.
Answer:
Explanation:
Based on their feeding habits, we will regard the raccoons as omnivores. Omnivores are organisms that possess the ability to feed and survive on both plant and animal matter.
These raccoons eat invertebrates etc which are animal matter and then different fruits and vegetables etc; plant matter.
Thus, they can be regardless as being an omnivore.
A theory is a set of sentences which is closed to make logical implications.