Compare and contrast alternating current and direct current

Answers

Answer 1

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Alternating current (AC) and direct current (DC) are notable for inspiring the name of an iconic metal band, but they also happen to sit right at the center of the modern world as we know it. AC and DC are different types of voltage or current used for the conduction and transmission of electrical energy.

Electrical current is the flow of charged particles, or specifically in the case of AC and DC, the flow of electrons. According to Karl K. Berggren, professor of electrical engineering at MIT, the fundamental difference between AC and DC is the direction of flow. DC is constant and moves in one direction.

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What organic matter contains stored energy?? (12)

Answers

Biomass it the organic matter that contains stored energy

2.) Would a plant grow better in a room painted blue or in a room painted green? Explain your answer.

Answers

Answer:

A blue room

Explanation:

Green light is the least effective for plants because they are themselves green due to the pigment Chlorophyll.. Blue light helps encourage vegetative leaf growth, and red light encourages flowers. this happens because the amount of blue, red and far red spectrum of light that reaches the planet changes with the seasons. As days start to get longer, more blue spectrum light reaches the surface of the earth. This initiates a vegetative growing stage for most plants leading into the spring and early summer. As the days start to grow shorter, and more of the red and far red spectrum reaches the surface, it leads into the late summer and fall reproductive season.

A plant would grow better in a blue room

2 PointsWhich is a common element in the human body that is located mostly in
bones?
OA. Nitrogen
OB. Hydrogen
OC. Calcium
OD. Barium

Answers

the answer is calcium

Answer:

Calcium

Explanation:

Explain how energy flows between abiotic and biotic systems.25 points.

Explain it in full detail.

Answers

Answer:

Biotic factors can be described as the living components of a system. Abiotic factors can be described as the non- living components of an ecosystem. The abiotic and biotic components of an ecosystem are linked to each other by the flow of energy.

Energy usually enters an ecosystem through the abiotic factor, i.e Sun in the form of heat. This energy is essential so that the biotic component, plants, can make their own food. Some of the heat energy is dissipated back into the atmosphere in the form of heat. Rest, the energy is directed to herbivores, carnivores and decomposers. All these organisms also dissipate some of the heat energy back into the atmosphere.

Variation within a species is the result of what?A) different combination of allele within their genes
B) asexual reproduction
C) budding
D) identical alleles within genes

Answers

A different combination of allele within their genes.

the correct answer is a

What is smog? could you help me... pls

Answers

It'd basically fog, and smoke and particles mixed together.

The mixture of smoke and fog leads to formation of smog.
Smoke + Fog= Smog
hope u understood

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living matter is at least sixty percent water. it makes sense, then, that cell membranes are made of phospholipids because