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gogolik [260]
3 years ago
8

Which question can be answered by science? A. Is it acceptable to make people recycle grocery bags? B. How much water is used to

produce one paper bag? C. Should the government regulate the use of grocery bags? D. Is it right for stores to provide plastic bags for free?
Biology
2 answers:
pickupchik [31]3 years ago
4 0
B. How much water is used to produce one paper bag? Let me know if this helps.
weeeeeb [17]3 years ago
3 0
B. How much water is used to produce one paper bag
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sleet_krkn [62]

Answer:Ais the answer

Explanation:

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A radioactive material has a half-life of 30 days. You begin with 4 grams of radioactive material.
mario62 [17]

Answer:

a. 0.5 grams b. 0.25

Explanation:

Just use the half-life formula(I linked it below)

a. 4(1/2)^90/30=1/2

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How might producing offspring with a wide variety of variations help a species to survive
tatiyna
The variations might help the organism to survive if there is a change in its environment
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3 years ago
Assume you began with 10 g of a radioactive parent isotope. How many grams of parent isotope will be present in the sample after
9966 [12]
2.5g

10÷2=5
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everytime it completes a half life, you divide the number by two
3 0
3 years ago
Read 2 more answers
What are the four carbon macromolecules the body uses and makes?
aliya0001 [1]

Living things are made of types of molecules, known as macromolecules.

There are four major classes of biological macromolecules:

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Each of these types of macromolecules performs a wide array of important functions within the cell; a cell cannot perform its role within the body without many different types of these crucial molecules. In combination, these biological macromolecules make up the majority of a cell’s dry mass. (Water molecules make up the majority of a cell’s total mass.) All the molecules both inside and outside of cells are situated in a water-based (i.e., aqueous) environment, and all the reactions of biological systems are occurring in that same environment.

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