An injection of weakened bacteria that creates immunity to a disease.
Option c is the correct answer
Spiral Galaxy... This is the answer...
Answer:
1. A hypotonic solution has less solute and more water potential.
2. If two solutions are of the same concentration they have the same water potential and are considered isotonic.
3. A hypertonic solution has lower water potential and more solute.
Answer:
The seafloor is only 180 million years old due to the process of subduction. The floor of the sea's tends to get colder and denser with the passage of time. At a certain time, the seafloor becomes so dense that it sinks in the upper mantle. The Earth's crust cannot undergo this process and hence has oldest rocks. We can say that the seafloor is less than 180 million years old because it is typically recycled back into the mantle of the Earth.
Answer:
polymyositis
Explanation:
Polymyositis is the disease in which inflammation of voluntary muscles and associated tissue occurs in various body parts. So it affects both sides of the body. Most of the weakness is seen in muscles of the shoulder, upper arm, thighs, neck, and hips.
This condition makes some jobs difficult for patients like difficulty in climbing stairs or lifting objects, etc. Women are at higher risk for this disease than men. Till now it's cure is not available but several therapies and physical exercise can help in gaining muscle strength.