Examlex
Net energy is the amount of useful energy available from a source minus the energy necessary to get it to the consumer.
Dopamine
A neurotransmitter involved in reward, motivation, memory, attention, and even regulating body movements.
Cocaine
A potent stimulant drug derived from the leaves of the coca plant, traditionally used as an analgesic but often abused for its euphoric effects.
Neurotransmitter System
A network of neurons and synapses in the brain and body that use chemical messengers, known as neurotransmitters, to transmit signals across synapses to communicate information.
Heroin
An opioid drug made from morphine, highly addictive and illegal, known for its euphoric effects but also for severe health risks and dependency.
Q10: An _ solar heating system captures energy
Q29: Which of the following countries produces the
Q39: Which of the following is not one
Q49: Canada's 500-year-old Atlantic cod fishery collapsed and
Q58: _ intends to be the first country
Q81: Industrialized agriculture requires large inputs of all
Q81: Water is a national security issue.
Q96: The portion of ore that does not
Q119: What percentage of the world's oceans is
Q121: Which of the following is an example