Answer:
The answer is number two extinction happened, this was the time dinosaurs went extinct ebcause lack of sun because oh how much dirt was blown into the earth atmosphere becuase of the asteriod, third option is talking about big bang theroy so that dosnt apply!
Explanation:
A. <span>Pollution made in one country might contaminate the ground, water, and air of other countries.</span>
your answer is C. cleavage, fracture
cleavage the way minerals breaks apart, split easily along a flat surface,
fracture the way minerals break apart, breaks in an irregular way
The phase of mitosis where the chromosomes coil up and condense is at prophase.
Answer:
In CF, these homeostatic mechanisms are impaired, leading to a dehydrated and acidic ASL. ASL volume depletion in CF is secondary to defective anion transport by the abnormal cystic fibrosis transmembrane conductance regulator protein (CFTR).
Explanation:
#(✯ᴗ✯)I hope it's help
