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 answer is single replacement :)
Answer:
The correct answer is option A. "Advantageous alleles do not arise on demand".
Explanation:
One of the most common misconceptions of how evolution occurs is that an organism is able to develop advantageous traits on demand. Believing that, for instance, a giraffe was able to develop a large neck because it wanted to reach large trees. This is wrong, evolution is the product of nature selecting random mutations that are advantageous to a species.
Emphysema is a chronic respiratory disease of alveoli. In this disease the walls of the alveoli is damaged.
The nurse understands that the client with emphysema experiences DAMAGE IN THE FIBERS OF THE ALVEOLAR WALL. Destruction of the alveoli takes place in this disease.
Answer:
The higher the recruitment, the stronger the muscle contraction will be. The greater the cross-sectional area of the muscle, the more muscle fibers that can be activated simultaneously.
Muscle strength is directly dependent upon the size of the cross-sectional area of muscle.
hope it helps:)
Explanation: