Methamphetamine is neurotoxic to dopaminergic neurons in the human’s midbrain. It increases the amount of the dopamine in the brain and as a result, produces the euphoria feeling that many people experience. It is also indicated that high-dose methamphetamine use can be neurotoxic to serotonin neurons (with the potential of damaging neurons)<span>.</span>
A. <span>Exposure to an antigen
Exposure to viruses and antigens led to the foundation of modern vaccination. Vaccination introduces an antigenic material that helps the ability of the immune system to adapt a specific pathogen, therefore leading to a long-term immunity.</span>
Answer:
This term was created by Charles Darwin based off his research on evolution
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Answer: C, Appears to be genetically almost inactive.
Sources: https://answers.yahoo.com/question/index?qid=20110412082808AAEciMo
and
https://answers.yahoo.com/question/index?qid=20111027121958AA1U5VE
hope I get brainiest answer
Answer:
The answer to your question is below
Explanation:
Balance the following equation
1 N₂ + 3 F₂ ⇒ 2 NF₃
2 - N - 2
6 - F - 6