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mr_godi [17]
3 years ago
9

_______ is/are the raw material of evolutionary change. xx xxxxxxxxx xxxxxx xx xxxxxxxxxxx xxxxxx C. Genetic drift D. Mutations

Biology
2 answers:
alexandr1967 [171]3 years ago
6 0
D. mutations is the answer
Genrish500 [490]3 years ago
5 0
D. mutations is the answer
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Some examples where you have seen a chemical change and the mass has stayed the same
finlep [7]
The law of conservation of mass states that the mass will stay constant given a chemical reaction because no atoms were created or destroyed. This being said, an example can include water evaporating in a clear bottle outside on a hot day ( the mass of the bottle will stay the same, but the liquid water evaporated into gaseous water).
5 0
2 years ago
LIST THESE BY GREATEST NUMBER OF PROTONS, please.
GarryVolchara [31]

Answer:

Hydrogen, Lithium, Aluminum, Argon, Nickel, Iodine, Gold, Mercury

 

Explanation:

Hydrogen has 1 proton.

Lithium has 3 protons.

Aluminum has 13 protons.

Argon has 18 protons.

Nickel has 28 protons.

Iodine has 53 protons.

Gold has 79 protons.

Mercury has 80 protons.

Hope this helps.

3 0
2 years ago
Why is it necessary for meiosis to produce cells with fewer chromosomes>
ruslelena [56]

Answer:

A. It saves energy for the organism to produce fewer chromosomes.

B. Asexual reproduction requires fewer chromosomes than sexual

reproduction

C. If it did not, the chromosome number would double in each

generation

D. Organisms reproduce sexually by joining two tetrads together.

6 0
1 year ago
A student tries to push a refrigerator-sized box of textbooks safely across the classroom.
Julli [10]

Answer:

The forces acting on the box became unbalanced when the third student started pushing.

Explanation:

The horizontal forces, friction and applied, were balanced until more force was applied than friction. Mass can't increase or decrease.

6 0
2 years ago
Read 2 more answers
Define Adult Stem Cell? Please
Zina [86]

Answer:

Estas células madre se encuentran en pequeñas cantidades en la mayoría de los tejidos adultos, como la médula ósea o la grasa. En comparación con las células madre embrionarias, las células madre adultas tienen una capacidad más limitada para generar diferentes células del cuerpo.

Explanation:

6 0
3 years ago
Read 2 more answers
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