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salantis [7]
2 years ago
5

is it better to observe the law of conservation of mass in an open system of a closed system?Explain why in 2-3 sentences

Biology
1 answer:
lara [203]2 years ago
4 0

Answer:

the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction. If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system.

I hope I helped you!

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What advantages are there for larger organisms to subdivide themselves into cells
WINSTONCH [101]

Cell division occurs in all living organisms. This is known as mitosis.

The advantages of a larger organisms to subdivide themselves into smaller cells is that as all organisms grow, some of their cells die or get damaged with time and need replacements. So,it divides into smaller cells because when a cell becomes large, it demands more of cell places of its DNA. If the cell grows too large, it will have trouble moving enough nutrients and wastes across the cell membrane. So to grow properly the cells need to be divided.


5 0
2 years ago
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Ben Affleck has a cleft chin, but his ex-wife Jennifer Garner does not. Neither one of their two daughters (Violet and Seraphina
kherson [118]

Answer:

Ben - Y Xc

Jen - XCXC

Violet - XCXc

Seraphina - XCXc

Samuel- Y Xc

Explanation:

Given -

Ben has a cleft chin

Let the allele for cleft chin be "c"

and the allele for normal chin be "C"

When Ben with cleft chin mates with wife Jennifer Garner having normal chin, then the two girl child do not have cleft chin but the boy has cleft chin.

This means that the allele C could be X -linked and the mother is not the carrier but the father is

The genotype of father Ben would be Y Xc

Genotype of mother would be XCXC

Genotype of two daughters XCXc  , XCXc which means they are carrier for the next generation

Genotype of Boy - Y Xc

3 0
2 years ago
What is gene flow? Apex
Anna11 [10]

Answer:

gene flow is the transfer of genetic variation from one population to another.

option D

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In horses, the allele for straight hair (H) is dominant, and the allele for curly hair (h) is recessive. A horse breeder mates a
Sauron [17]
It would be 75% because that is 3/4, the chances of dominant offspring.
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2 years ago
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A chemical equation lists CH3COOH(aq) as a reactant. What does (aq) indicate?
Dvinal [7]

Answer:

The compound is dissolved in water

Explanation:

"aq." is the abbreviation for "aqueous" ( watery).

In chemical equations the symbol (aq) means that the substance is dissolved in water.

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