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Nuetrik [128]
2 years ago
14

What is limestone?**

Biology
2 answers:
yaroslaw [1]2 years ago
8 0

Answer: a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.

Nitella [24]2 years ago
7 0
Limestone is a sedimentary rock made of calcium carbonate (CaCO3), composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.
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The combination of dominant tree species in Eastern forests will likely change in the future. Some forest types,
Katen [24]

Answer:

<em>C)  Eat locally-produced and organic food; cur meat and dairy consumption.</em>

Explanation:

Eating organic food will be of no help because humans do not usually use forest trees as food resources. And hence, it will be of no help to stop the carbon dioxide emissions. Hence, option C will be of no help.

The consumption of green products will lead to lesser production of carbon dioxide and hence can be helpful. Using alternate energy sources which are not carbon based will also help to reduce the amount of carbon dioxide. If lands are restored then, these trees will not change over time. Hence, option A, B and D are helpful for  no substantial change in the tree species over time.

8 0
4 years ago
Read 2 more answers
The created "kinds" like "species" is not easy to define. true? false?
jenyasd209 [6]
It is a completely true statement that the <span>created "kinds" like "species" is not easy to define. The correct option among the two options that are given in the question is the first option. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span>
4 0
3 years ago
Read 2 more answers
The biomes that exist closest to the Earth's poles are describes as _______.
serious [3.7K]
The biome that exist closest to the Earth's poles are descibed as polar
7 0
4 years ago
As the masses of two objects decrease, how does the gravitational force between the two bodies change?
NNADVOKAT [17]
If they are decreased at the same time and the same amount is being taken away from them at the same time then the gravitational force would stay the same but if they are be decreased one then the other they will go back and forth
8 0
4 years ago
What type of polymer is made by bonding an alkene to one or more alkanes or alkenes? A. di-polymers B. multi-polymers C. additio
olganol [36]
Hello! 

The type of polymer that is made by bonding an alkene to one or more alkanes or alkenes is called addition polymer

Addition polymers are those whose polymerization reaction doesn't produce low molecular mass compounds but the bonding of molecules one after the other. Such a reaction implies that there is a rupture in the bonding between monomers (the building blocks of the polymer) to allow the formation of a chain. 

Bonding an alkene to one or more alkanes or alkenes is an example of an addition polymerization. 

Have a nice day!
6 0
4 years ago
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