Earth's atmosphere 3.5 billion years ago contained little or no oxygen.
The factor that may influence enzymes activity are------
1) temperature - increasing temperature increases the kinetic energy.
2) concentration- changing the enzyme substrate concentration effect the rate of reaction of an enzyme catalysed reaction.
Answer:
I would say B but i dont know this
Explanation:
Answer:
B) metaphase
Explanation:
During metaphase chromosomes line up in the center of the cell.
Answer:
the circles are the men and the squares are the females
the first two all the way at the top are the grandparents andas u can see they had 4 kids 2 girls and 2 boys
the girls stayed single but the two sons had wives and then they had 3 kids
one of the grandparents son did not have a and shaded square but the other one did
so that means whatever the shaded auntie has the girl also has and she get its from her auntie
Explanation: