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Ira Lisetskai [31]
3 years ago
14

How does the Nervous System work with the Digestive System?

English
1 answer:
Otrada [13]3 years ago
8 0
The answer is a, will you mark me the brainliest
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The diagrams below show situations in which forces are acting on objects. Study each diagram. Then,
solniwko [45]

Answer:

(a) diagram a.(b) the resultant force of a is equal and the resultant force of b is not(unbalanced)

4 0
2 years ago
After reading and analyzing Dr. King’s “I Have a Dream,” why do you think the speech touched so many people? (5 complete sentenc
Nataly_w [17]

Answer: The answer is given below

Explanation:

The "I have a dream speech by Dr Martin Luther King Jr is still regarded as one of the greatest speeches ever made.

The speech changed the world as Dr King's confidence, strong speaking skills and use of analogies for points illustration made the speech a beautiful one which touched many lives.

At the beginning, Dr King's said that blacks were not free which he illustrated further through the basic amendments. He believed that blacks were not treated equally in America.

He further talked about racism and how it can be stopped, he said that we're are all equal. In the end, he pointed out that even though there were difficulties and challenges today, he had a dream that tomorrow will be better and there'll be a better United States and a better world where everyone is equal.

This concluding part of the speech was motivational, inspiring and encouraging.

6 0
3 years ago
what is the basis for energy in most ecosystems? how much energy is kept as you go up a energy pyramid or a food chain?why?​
zimovet [89]

Answer:

Primary producers—usually plants and other photosynthesizers—are the gateway for energy to enter food webs.

Productivity is the rate at which energy is added to the bodies of a group of organisms—such as primary producers—in the form of biomass.

Gross productivity is the overall rate of energy capture. Net productivity is lower, adjusted for energy used by organisms in respiration/metabolism.

Energy transfer between trophic levels is inefficient. Only about 10% of the net productivity of one level ends up as net productivity at the next level.

Ecological pyramids are visual representations of energy flow, biomass accumulation, and number of individuals at different trophic levels.

Introduction

Have you ever wondered what would happen if all the plants on Earth disappeared—along with other photosynthesizers, like algae and bacteria?

Well, our beautiful planet would definitely look barren and sad. We would also lose our main source of oxygen, that important stuff we breathe and rely on for metabolism. Carbon dioxide would no longer be cleaned out of the air, and—as it trapped heat—Earth might warm up fast. And, perhaps most problematic, almost every living thing on Earth would eventually run out of food and die.

Why would this be the case? In almost all ecosystems, photosynthesizers are the only "gateway" for energy to flow into food webs—networks of organisms that eat one another. If photosynthesizers were removed, the flow of energy would be cut off, and the other organisms would run out of food. In this way, photosynthesizers lay the foundation for every light-receiving ecosystem.

Producers are the energy gateway

Plants, algae, and photosynthetic bacteria act as producers. Producers are autotrophs, or self-feeding organisms, that make their own organic molecules from carbon dioxide. Photoautotrophs, like plants, use light energy to build sugars out of carbon dioxide. The energy is stored in the chemical bonds of the molecules, which are used as fuel and building material by the plant.

The energy stored in organic molecules can be passed to other organisms in the ecosystem when those organisms eat plants or other organisms that have previously eaten plants. In this way, all the consumers—or heterotrophs, other-feeding organisms—of an ecosystem rely on the ecosystem's producers for energy. Consumers include herbivores, carnivores, and decomposers.

5 0
3 years ago
Can you please check if there is any grammar mistakes in the paragraph?
storchak [24]

The reading passage and the lecture have conflicting opinions about whether or not implementing high taxes on cigarettes, would have a social advantage. The article strongly postulates that raising the taxes on cigarettes would have more than one benefit for smokers. On the other hand, the listening adamantly opposed that forcing high taxes on cigarettes would benefit smokers, and she believes it has more drawbacks. Its fine hope it is helpful and plz mark brainliest.

6 0
3 years ago
Write a application to the principal of your school requesting him to provide some sports material for sports week??​
Delicious77 [7]

Answer:

hello, how are you, I was just wondering if there is any chance that we get get provided more sports materials for sports week. (give a reason why)

Explanation:

5 0
3 years ago
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