The atomic number increases moving left to right across a period and subsequently so does the effective nuclear charge. Therefore, moving left to right across a period the nucleus has a greater pull on the outer electrons and the atomic radii decreases.
Friction <span>is most responsible for slowing a bicycle down when the brakes are applied</span>
Answer:
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Explanation:
IV: salt solution
DV: Hight of plants
Control: the fourth plant
Independent Variable: what it's watered with (regular water or salt water as well as the concentration of salt water)
Dependent Variable: Height
Control: the type of plant (sunflower) Hope this helps you! Ask me anything if you have any quistions!