Adding nutrients to the soil allowed more sunflowers and more birch trees to sprout over the three-week period. Also, by adding nutrients, the sunflowers and birch trees that sprouted were able to grow taller than those without added nutrients
They use eras to divide the geological time scale.
You can use A.D for before his birth and B.C. for after.
Solar Flares
Hope this helps!
Answer: Hydrogen bonds
Explanation: The CAS9 enzyme affect the bond between the deoxyribose sugar and the phosphate backbone of the PAM sequence in the target DNA
