In 2020, the United States population is predicted to be 333,546,000
Answer: is a professional, who is equipped with the knowledge of chemical engineering .
Explanation:
In recent years, people especially children have to deal with many dangerous health problem, such as overweight, poor resistance,… Although there are some people believe that the government should take full responsibility for this problem, I think that parents and school also play very vital role in creating the issue.
<h3>What is
overweight?</h3>
More body fat than is ideal for health is what is meant by being overweight or fat. In areas with ample food options and inactive lifestyles, being overweight is extremely prevalent.
With more than 1 billion adults in the world being either overweight or obese as of 2003, excess weight had reached epidemic levels. Over 2 billion people were affected in 2013. For all age categories, there have been increases.
A healthy body needs a minimum amount of fat for the proper operation of the hormonal, reproductive, and immune systems, as thermal insulation, as shock absorption for sensitive areas, and as energy for future use. However, the buildup of excessive storage fat can limit movement and flexibility and change the way the body looks.
To learn more about overweight from the given link:
brainly.com/question/1646944
#SPJ4
Answer:
The answer is A.
Explanation:
Studies have shown that children develop higher cognitive abilities through the encouraging of active learning, planification and problem solving. Children should try new ideas an make mistakes, then learn about their experience. That is only possible when children make the most of decisions; adults, in that regard, must observe and serve as patient, attentive guides.
Explanation:
(x2) 741 OpAmps (Radioshack Catalog #: 276-007)
(x1) 9V Relay (Radioshack Catalog #: 275-005)
(xvar) jumper wires (Radioshack Catalog #: 276-102)
(x2) Heavy duty 9V battery clips (Radioshack Catalog #: 270-324)
(x2) 9V batteries (Radioshack Catalog #: 23-866)
(x1) Prototyping PCB (Radioshack Catalog #: 276-170)
(x1) Piezo Buzzer (Radioshack Catalog #: 273-080)
(x1) 5K Ohm Potentiometer (Radioshack Catalog #: 271-1714)
(x1) Potentiometer cap (Radioshack Catalog #: 274-415)
(x1) 470 Ohm Resistor (Radioshack Catalog #: 271-1317)
(x1) 3" diameter acrylic tube
(x1) Magnet (Radioshack Catalog #: 64-1888)
(xvar) lamp-pull ball-chain
Tools:
Solder
Soldering Iron
Wire Snips
Hot Glue Gun
I used a laser cutter to make my own personal enclosure, but one could easily modify a pre-made project enclosure to suit the needs of this project.
