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olga nikolaevna [1]
3 years ago
4

which organisms develop gills from pharyngeal arches and later develop lungs to breathe on land? A. scorpion, B. Salamander, C.

Frog, D.Oyesters (select all that apply)
Biology
1 answer:
ziro4ka [17]3 years ago
5 0

Answer:

c:frog

Explanation:

hope this helps ☆☆

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When the conditions become too harsh for its survival, a bacterium forms a/an _______________ and goes dormant
wolverine [178]

Answer:

endospore is the awnser

Explanation:

8 0
3 years ago
How could environmental concerns conflict with your desire to improve your stand in living?
Darina [25.2K]

Standard of living refers to the quality, and quantity, of goods and services made available to an individual for his/her consumption. This definition is a general one and is easily understood.

To improve one's standard of living, in accordance with this definition, one needs to be provided with a better quality goods & services , such as advanced electronics and gadgets, or quantity, such as producing more self-care product for consumption.

So how does this conflict with his/her environmental concerns? In order to improve standard of living, there is a few trade offs. To produce more quantity of goods & services, more resources have to be used. This might lead to excessive usage, wastage & depletion of natural resources. For example, to provide more fuel to the society, companies have to extract more & more of fossil fuel. Sustainable usage of natural resources might be a concern, since some types of resources are unrenewable e. g oil & gas.

Production of higher quality products requires advanced state of technology. In the meantime, the use of some technologies aren't exactly environmental friendly i. e it may create pollution. For example, decades ago, manufacturing shirts using traditional methods might not yield consistent results thus the invention of machine helps with increasing the quality, however, results in noise and air pollution. Another example, using air-conditioning instead of hand fan is more effective in coping with hot weather, but greenhouse gas is emitted.

This shows the conflict between environmental concern and the desire to improve standard of living in general.

Hope this helps!

5 0
3 years ago
PLEASE HELP PLEASE PLEASE PLEASE
Inessa05 [86]
The right answer is the second one
5 0
3 years ago
Read 2 more answers
1. Where is the CFTR protein found?
maks197457 [2]

Answer:

CFTR protein is found in the cells lining the lungs

5 0
3 years ago
Does carbohydrate hydrolysis by ptyalin continue in the stomach
Akimi4 [234]

<span>Ptyalin hydrolysis does not continue in the stomach because it is destroyed by the stomach once it enter the stomach. </span>

Ptyalin is an amylase enzyme commonly found in the saliva of humans and animals. This enzyme is secreted in the mouth ( buccal cavity) and catalyze the hydrolysis of starch into maltose and dextrin. Immediately the starch leaves the mouth and enter the stomach, stomach acids destroy the ptyalin.

7 0
4 years ago
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