Which process increases the surface area of foods prior to chemical digestion?

2 answers:

6 0

Mastication, or chewing, is a form of mechanical digestion that increases the surface area of foods prior to chemical digestion.

Assoli18 [71]3 years ago

6 0

Mastication, or chewing, is a form of mechanical digestion that increases the surface area of foods prior to chemical digestion.

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Two different scientists were studying the carbon levels of the air above a large city. They both found that the levels had incr

ss7ja [257]

Answer:

Scientist 1

Explanation:

The conclusion of scientists 1 is valid.

Human activities such as burning of fossil fuels, agriculture, deforestation, etc. leads to the emission of carbon in the form of carbon dioxide into the atmosphere. An increase in the population of a city will only lead to an increase in these activities and hence, an increase in the amount of carbon emitted into the atmosphere.

Also, volcanic activities leads to the production of volcanic gases which is a mixture of carbon dioxide, oxides of sulfur, nitrogen, etc.

However, an active volcano that is several miles away from the city might not be a major source of carbon in the air above a large city. The carbon dioxide produced from such volcanic activity thins out before reaching the city.

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3 years ago

How can something that happens in a terrestrial system affect an aquatic system? Give an example.

Levart [38]

Answer:

Strong hydrologic connections among terrestrial and inland aquatic realms exist in both river floodplains and dryland ecosystems. In the evolution of river floodplains terrestrial vegetation diversifies inland aquatic habitats, providing a range of colonization options for different organisms

Explanation:

8 0

1 year ago

The diagram shows the process of transcription, which takes place in the nucleus of a cell. What is occurring?

chubhunter [2.5K]

Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). DNA safely and stably stores genetic material in the nuclei of cells as a reference, or template. Meanwhile, mRNA is comparable to a copy from a reference book because it carries the same information as DNA but is not used for long-term storage and can freely exit the nucleus. Although the mRNA contains the same information, it is not an identical copy of the DNA segment, because its sequence is complementary to the DNA template.

8 0

3 years ago

Read 2 more answers

PLEASE HELP PLEASE!!!! DOES ANYONE SOMEONE NAMED HIROJABAMI!?!?!? PLEASE HELP!!!!.....

Svetach [21]

Answer:

well I dnt know

btw thanks for ur points I really needed that.

4 0

2 years ago

When did people begin to notice that coastlines if continents fit together like a puzzle

pashok25 [27]

Answer:

B. When Alfred Wegener propose the idea of continental drift

Explanation:

The first true explanation came from Alfred Wegener, who proposed the Plate Tectonic Theory. This theory stated, in a nutshell, that the continents different pieces that collided together at faults.

Technically, explorers found out this way back. If you consider this the answer choice, then C is your best answer.

6 0

3 years ago