D, Trying a new exercise can cause your body to work the wrong way. Exercising too hard can overwhelm your muscles and strain them. Exercising too long can overwork muscles.
D. lung cancer is the most common cause of cancer death.
Skin color would be a good indicator...
Answer:
neurotransmitter molecules are removed from the synapse by transporter molecules • this process can be blocked by cocaine : Modulation of dopamine activity in limbic system Dopamine is active in the pleasure pathways of the brain ( the limbic system ) .
Explanation:
so its d both (b) and (c)
