Spontaneous recovery means the reappearance of a previous extinguished response. For instance, Jon is scared of dogs because he thinks they look angry. After a long treatment, he finally gets used to play with the dogs. He is no longer afraid of dogs. However, one day he saw a dog walking towards him, he suddenly started to fear again. His fear was extinguished after the treatment, but he suddenly recovered that response again. This is more of an one time event.
Streak color. Luster and color are incorrect
Executive order would be the right answer
The correct answer is the Department of Health and Human Services.
DHSS is responsible for many of the United States' social programs, including health care, medicare, and medicaid. The current Secretary of HHS is Alex Azar.
This is an example of passive euthanasia.
Euthanasia is mercy killing - when somebody is in a lot of pain and there is no cure for it, so they are killed (in some countries, this is legal, in some, it is not). Passive euthanasia means that a person is allowed to die - a treatment that has been keeping them alive is suddenly stopped (as in the case above, when Tom's respirator was turned off).