Answer: The frequency at which new species emerge and are lost over evolutionary time is established by the rates of speciation and extinction.
Answer:
A) Morphine is a more potent analgesic than heroin.
Explanation:
Morphine is a natural pain medication which is found in many plants. It acts on nervous system to reduce the pain. Morphine is more potent as heroin as a CTA inducing agents whereas morphine is less potent analgesic than heroin. Use of narcotic can cause a person nausea, flu, severe headache and constricted pupils. Morphine is classified as schedule II controlled substance. When there is repetitive use of morphine tolerance can be developed which can affect morphine outcome.
The addictive substance is called Nicotine.
Hey!
That scan is known as the CT scan, (<span>computerized axial tomography.)
Hope this helps!</span>
D it includes citations for all data
