Answer:
Cells from the cheek are a type of epithelial cell, similar to skin. ... They can be seen faintly even at 40x (scanning power), but the most dramatic images are at 400x where the nucleus is clearly visible as a dark spot in the center of the cell.
Explanation:
Answer:
Over recent decades, evidence of increases in extreme weather events such as hurricanes, droughts, heat waves and heavy precipitation events has accumulated.
Explanation:
If water did not expand when freezing, then it would be denser than liquid water when it froze; therefore it would sink and fill lakes or the ocean from bottom to top. Once the oceans filled with ice, life there would not be possible.
I have solved part of it 2. is constantly 6.compass and part of number 3.is sun
Answer:
True
Explanation:
Rapid defibrillation is a link in the chain of survival.