Answer:
C. machines can be disguised easily
Explanation:
Observation is one of the important method used in the field of research in psychology. The results out of the observations help in evaluating the outcome and the result. Machines are used in the researches which helps to record the process and bring out certain conclusions out of them. Also, it helps in further researches equivalent to it. The data is recorded and is stored for any further assessment related to it.
Answer:
Explanation:829274
Bowser Junior my grandma my grandma and I got to go
High-frequency current is an alternating current that can be adjusted to different voltages to produce heat and is also known as ''Violet ray''.
Early in the 20th century, the Violet Ray was hailed as a significant advancement in the field of electrotherapy. The high-frequency gadget known as the Violet Ray was one of these electrotherapy treatments that was well-known a century ago. Martin offers his opinion on Nickola Tesla, who changed the primary current into high-frequency discharges while retaining parts of its original characteristics.
It ceased to exert the same force through the same motor, to sear and burn in its path, and to shock the muscles with a fatal and paralyzing jolt when in contact with it. When in use, high-frequency currents connected to a vacuum tube "electrode" produced a violet light. That is why is known as violet rays.
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The axis powers all needed more land to support their growing population this is one reason they started the war when they started taking over parts of Europe and Asia. then Hitler decided to create a "perfect race" one wear everyone had blond hair blue eyes he also had beef with communist and Jews so he started eradicating them. the allies didn't like this so they went to war. Hitler is evil not the axis powers they just needed more land for growing food for their growing populations.
