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yKpoI14uk [10]
3 years ago
7

Is baking a cake a chemical or physical change?

Biology
2 answers:
aleksandrvk [35]3 years ago
8 0
It is chemical because of the heat and gas which causes air bubbles
ASHA 777 [7]3 years ago
6 0
Yes, baking a cake is a physical change.
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An investigation was carried out to determine which of three antibacterial soaps is most effective. Four petri dishes labeled A,
Vikki [24]
Pretty sure the correct answer would be Choice A
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3 years ago
Match the chemical signal with the appropriate description.
Lyrx [107]
<span>a. chemicals produced by neurons that function as hormones—neurohormones
b. chemicals that act locally on nearby cells—paracrine factors
c. chemicals secreted by presynaptic terminal—neurotransmiters
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3 years ago
Select all items that describe the Amish culture. a. speak Creole or Spanish b. wear simple clothing c. embrace technology d. li
ad-work [718]

Answer:

Simple clothing, living in farming communities and using horse- driven vehicles best describes Amish culture.

Explanation:

The simple clothing concept of Amish culture shows their modesty. The women wear long and simple dresses that goes all the way down to their knees and they also cover their hair. They believe wearing simple dress is a way of keeping their hearts pure.

Amish people use buggy or horse driven vehicles and not cars because they believe that the innovation in technology has the potential to bring assimilation into the surrounding society.

They mostly live in farming communities which are located in Indiana, Pennsylvania, Ohio, Central American and even in Canada.

7 0
3 years ago
Why are changes in the global carbon cycle important?
ivolga24 [154]

Answer:II) Deforestation and suburbanization reduce an area's net primary productivity.

III) Increasing atmospheric concentrations of carbon dioxide could alter Earth's climate.

IV) By using fossil fuels we are destroying a nonrenewable resource.

Explanation:

The global carbon cycle can be defined as the cycle of carbon in which the carbon is transformed and changed into forms while transferring to atmosphere, land, ocean and in the form of fossil fuels.

The deforestation and suburbanization processes will likely to affect the contribution of the plant in the net primary productivity generate due to photosynthesis process that involves the production of carbon products in the form of glucose by atmospheric carbon dioxide.

The increase in atmospheric concentration of carbon dioxide through the burning of fossil fuels is likely to warm the earth climate. The burning of fossil fuel is likely to increase the abundance of carbon dioxide in the air.

The fossil fuels are the source of non-renewable resource utilized for the purpose of generation of thermal energy. These resources once consumed will not get replenished thus this will reduce the carbon level produced due to burning of fossil fuels in the future.

4 0
3 years ago
Why Is Biodiversity Important? Who Cares? Name three biological services provided by biodiversity.
Ilia_Sergeevich [38]

Answer:

Biodiversity is usually defined as the diversification of living species that exist on earth and the complexities that occurs in the ecosystem. It includes all the plants, animals, humans and micro-organisms.

The biodiversity is often affected by factors such as climate change, loss of habitat area, and occurrence of invasive species.

Three of the biological services that are provided by biodiversity are as follows-

  • A large number of medicines are being made from the various plant species that exist in an ecosystem.
  • It provides food, on which the organisms are dependent on it.
  • It also provides materials that are used for construction purpose and used as shelter.
8 0
3 years ago
Read 2 more answers
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