A is correct..
please vote my answer branliest! Thanks.
Answer:
EEG
Explanation:
EEG or electroencephalography is a technique that measures the electrical activity of brain.
For measuring electrical activity, electrodes are attached to her scalp. An abnormal activity of brain such as epilepsy can also be recorded by EEG.
The brain is an electrical system as it is a network of neurons. Neurons communicate with each other via electrical signal. The more electrical signals corresponds to more brain activity.
The electrodes of an EEG record the electrical changes occurring in thousands of neurons.
The signal received by the electrodes is amplified by an amplifier. Various maps of brain activity is generated by a computer.
Answer:
A) Generalized anxiety disorder.
Explanation:
Cara will probably be diagnosed with generalized anxiety disorder because she is suffering from exaggerated anxiety about everyday life events as health, work, school, finance, etc. And these type of people may anticipate disaster and individuals with GAD (generalized anxiety disorder) will find it difficult to control, so that is why it is important to look for help before everything starts to fall apart.
Answer:
internal validity
Explanation:
because of the manipulation of the independent variable and control of extraneous variables
Answer:
Scientists date fossils and artifacts by measuring certain radioactive isotopes.
Explanation:
Radiocarbon dating involves determining the age of an ancient fossil or specimen by measuring its carbon 14 content.
