Answer:
1) increased food supply
3) improved public health
4) increased birth rates
Explanation:
2020 edg
<span>This above passage describes random sampling. Because the researchers pick six random states, then ten random zip codes (for a total of 60 zip codes), then 50 people from each zip code (for a total of 50*60 people), the process is completely random.
Although, I would probably make an alteration to include 3 states that favor one party, 3 states that favor another party, and 3 swing states for a survey like this (with everything still being random).</span>
The mid-1960's popular music innovation that was ushered in by the beatles was VariSpeed- altering of kHz cycles through voltage changes to slow down and increase tape speed.
<h3>What was VariSpeed?</h3>
The Beatles were a very popular bands for many reasons and one of them was their innovations to the style of Psychedelic rock and Blues that they played. This made their music stand out so much so that they became arguably the influential band to ever exist.
One invention they came up with was called VariSpeed which meant speeding up or slowing down a musical record to produce a desired effect. It was done by using voltage changes to alter of kHz cycles.
Find out more on The Beatles at brainly.com/question/4687506.
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