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Margaret [11]
3 years ago
15

The motor transforms _______ energy into _______ energy.

Biology
2 answers:
insens350 [35]3 years ago
4 0
Option D electrical and mechanical hope this helps
AveGali [126]3 years ago
3 0

Answer:

Option D. electrical; mechanical.

Explanation:

The motor transforms electrical energy into mechanical energy. It also works on the principle of electromagnetic induction. Motor is a device which is used for pumping water from the underground by using of electricity. In motor, there is a structure which is capable of converting electric energy into mechanical energy.

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Possible question and essays for gr 12 Life Scences​
love history [14]

Answer:

Explanation:

Possible Essays for Life Science:

1. "Explain four management strategies to improve the quality of  drinking water. Uncle Two sources of water pollution and Two  effect of water pollution on human health. "

2. "Eutrophication is one of most important water quality problem  South Africa. Describe Eutrophication, what causes it and how it  affects water quality."

3. "Describe the significance of DNA replication and meiosis and how the foetus is  protected and nourished in the uterus."

4. "Describe how meiosis contribute to genetic variation and how

abnormal meiosis leaf to down syndrome and polyploidy. Also

describe advantages of polyploidy in agriculture. "

5 0
3 years ago
The term meaning situated nearest the midline or beginning of a body structure is __________.
Dmitriy789 [7]
The term meaning situated nearest the midline or beginning of a body structure is proximal. Proximal is a medical term frequently used to mention to the distance of a body part such as shoulder, elbow, wrist, hand, fingers etc. in respects to its contiguity from the center of the body, normally the torso. In most circumstances, torso as the center point and the arms and legs as connections that prolong from the center. The further away an attachment or body part is from the center shoulder, elbow, wrist, hand, fingers the more distal it is and the closer the body part is to the center the more proximal it is. Therefore, when looking at the center of the human body, the shoulder is proximal in closer proximity to the torso when related to the elbow which is further away.
7 0
3 years ago
How do ocean currents affect climate and aquatic life?
storchak [24]

Currents and Marine Life

Currents are powerful physical forces in the seas. They move water and heat around the globe, and help determine the chemical make-up of the water column. Currents also are a major factor in ocean ecosystems. Two types of current motion, upwelling and downwelling, strongly influence the distribution and abundance of marine life.

Upwelling
Currents play a huge role in marine productivity, through a process called upwelling. Sea life is concentrated in the sunlit waters near the surface, but most organic matter is far below, in deep waters and on the sea floor. When currents upwell, or flow up to the surface from beneath, they sweep vital nutrients back to where they're needed most.

Nowhere is the link between ocean circulation and productivity more evident than around Antarctica. There, strong currents pump nitrogen and phosphate up from the deep sea to fuel vast blooms of algae and other plants. These plankton are eaten by swarms of shrimp-like crustaceans called krill. Because of upwelling nutrients, krill are abundant enough to feed the largest animals on earth, baleen whales, as well as myriad penguins, seals, and seabirds. In fact, despite the harsh conditions, the biomass of Antarctic krill is thought to be greater than that of any other animal on Earth.

Downwelling
The importance of upwelling to surface organisms is matched by the need of sea bottom life for downwelling, or the sinking of surface water. Surface water can be forced downward by the pressure of the “pile” of water that forms where currents converge or wind drives the sea against a coastline. But for bottom dwellers, the sinking of water caused by density changes is especially noteworthy. The global conveyer belt takes oxygen-rich surface water and flushes it through the deep sea. Without this renewal, the dissolved oxygen in bottom sediments and waters would quickly be used up by the decay of organic matter. Anaerobic bacteria would take over decomposition, leading to a build up of hydrogen sulfide. Few benthic animals would survive such toxic conditions.

In the most extreme cases, a lack of downwelling may lead to mass extinctions. Paleontologists have suggested that 250 million years ago, deep circulation slowed nearly to a stop, and the ocean began to stagnate. Low oxygen, sulfide and methane-rich waters filled the ocean deeps and then spread onto the continental shelves, wiping out 95% of all marine species in the greatest extinction event in Earth history.

Instructions: In this activity, you will explore the differences between upwelling and downwelling. Study the graphics and photographs illustrating upwelling and downwelling, then answer the questions about each process. Maps of the world’s major surface and deep currents are included as resources to help you understand where and how upwelling and downwelling occur.

8 0
3 years ago
The united states consumes more ________ than any other renewable energy source.
Alex73 [517]

Answer: hydroelectric

Explanation: please go over this answer cause I'm not sure if it is correct I believe it is just check though.

hope it helped!!!

8 0
2 years ago
How does change in each independent variable affect the dependent variable?​
svetlana [45]

Explanation:

although independent variables can stand alone dependent variables rely on the independent variables therefore when you change the independent variables the dependent variables can no longer depend on the independent variables.

7 0
3 years ago
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