Answer:The Correct answer is D
Explanation: The Autonomic Nervous System is that part of Peripheral Nervous System that consists of motor neurons that controls the internal organs. The autonomic system controls muscles in the heart, the smooth muscle in internal organs such as the intestine, bladder, and uterus.
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Consumers. Obviously all animals are not b or c as there are animals that are both. Plants are producers as they produce energy, and animals consume the energy making them consumers.
Scanning electron microscope- this is a type of microscope that uses beams of electrons to view the surface of a specimen. it is used to provide a three-dimensional image of cells
transmission electron microscope- uses beams of electrons to examine the insides of thin slices of materials. it is used to provide a two-dimensional image of cell structures
Answer:
mg of powder 1 and
mg of powder 2
Explanation:
Let "X" denotes weight of powder 1 added to the new mixture and "Y" denotes weight of powder 2 added to the new mixture
Total weight of vitamin B1 in the mixture is equal to
mg
Total weight of vitamin B2 in the mixture is equal to
mg
Equation 1
![0.1 X + 0.15 Y= 80](https://tex.z-dn.net/?f=0.1%20X%20%2B%200.15%20Y%3D%2080)
Equation 2
![0.3 X + 0.2 Y= 200](https://tex.z-dn.net/?f=0.3%20X%20%2B%200.2%20Y%3D%20200)
Let us simplify the above two equations, we will get
![10 X + 15 Y = 8000\\3X + 2Y = 2000](https://tex.z-dn.net/?f=10%20X%20%2B%2015%20Y%20%3D%208000%5C%5C3X%20%2B%202Y%20%3D%202000)
![2 (10 X + 15 Y = 8000), 20X + 30 Y = 1600015(3X + 2Y = 2000), 45X +30Y = 30000\\25 X = 14000\\X = 560](https://tex.z-dn.net/?f=2%20%2810%20X%20%2B%2015%20Y%20%3D%208000%29%2C%2020X%20%2B%2030%20Y%20%3D%201600015%283X%20%2B%202Y%20%3D%202000%29%2C%2045X%20%2B30Y%20%3D%2030000%5C%5C25%20X%20%3D%2014000%5C%5CX%20%3D%20560)
Substituting value of X in equation 2 we get
![0.3 * 560 + 0.2 Y = 200\\0.2 Y = 200 - 168\\Y = 160](https://tex.z-dn.net/?f=0.3%20%2A%20560%20%2B%200.2%20Y%20%3D%20200%5C%5C0.2%20Y%20%3D%20200%20-%20168%5C%5CY%20%3D%20160)