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Neko [114]
3 years ago
6

Could algae be the solution to our energy problems

English
2 answers:
mafiozo [28]3 years ago
8 0
Algae can be used for energy, but you would have to keep growing more so you woundnt run out. You must do that for any energy source.
Lubov Fominskaja [6]3 years ago
3 0
No algae is a biotic producer now a bio fuel reactor could turn that algae into power but it’s just not efficient enough for 21 century standards, right now nuclear power seems to be the future and it is very clean and effective
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Read the sentence. The underline phrase is an blank phrase
yawa3891 [41]

Answer:can you post a picture of this? whats the sentence

Explanation:

5 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
In the short story "The Lottery", why do the townspeople stone people in their community?
Firdavs [7]

Answer: Although they lost the black box, using stone is part of the ritual

Explanation:

Although the may have forgotten the ritual and lost the black box, but townspeople remember the use of stone on any one that pick a paper with black dot.

5 0
3 years ago
Her victory was announced by an unusual tranquility and gladness of soul which followed the relinquishing of my ancient and latt
Nimfa-mama [501]
The definition of tranquility that is most likely suited for this line is calmness: peacefulness.
That is what the word tranquil means. 
5 0
3 years ago
Read the excerpt from Act II of Hamlet.
kkurt [141]

Answer:

B, but read the full explanation carefully. If you have an idea of your own, pick it.

Explanation:

It's none of these. Later on we learn that they are talking about fortune and luck. Hamlet makes a very nasty comment about the nature of luck whom he sees as a changeable woman who takes money for her favors (his words not mine). Rosenkranz and Guildenstern are in the middle which leads Hamlet to make another off color observation.

Given that background, you could almost pick any one of the choices, since    none of them are correct. I suppose if you take Guildenstern's initial couplet you could pick prosperity, but I wouldn't be surprised if the writer of this question didn't pick it. The quotation is taken out of context.

Whatever they are talking about is neither the top or the bottom. It is therefore in the middle. But before this speech, we learn that the two students are not doing well. Hamlet is trying to joke with them.

8 0
3 years ago
Read 2 more answers
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