The answer is <span>-Only the few bacteria that were immune to the antibiotic survived and reproduced, making all their offspring immune to it as well.
Bacteria (or any other organism) are not able to make changes to their DNA in order to protect themselves or to learn to remove the receptors on their cell surfaces. If they were able to produce toxins against the antibiotics, they would all survive.
These leave the second choice as the correct answer. This is the real situation, and is a good example of natural selection.</span>
True, depending on which isotope. some Isotopes are deemed extremely unstable and cannot be used for nuclear fuel. however, most are usable
The etheric body
The etheric body is the layer of the human energy field that is most closely associated with the body's blueprint of physical health and is found closest to the physical body.
The etheric body is the first layer of the human energy field that is found to be in immediate contact with the physical body. The ether body is the energy system for the physical body as it sustains it, joins it with higher bodies and functions as the matrix for physical metabolic activities.
The correct answer is option C
The rain forest has millions and billions of plant species that is investigated every year for its medicinal properties. But it has not been possible till yet to test half of the rainforest plant for its medicinal properties. There are many species that has been tested earlier and is now used for its medicinal properties.
